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Service (secret) codes for Android smartphones. Necessary Nokia codes, see all secret mobile codes Reducing brightness “below possible”

Service (aka engineering, aka secret) codes are used for quick access to various functions, often even hidden ones. There are universal codes for Android, and there are those that are only available for certain device models.

Not long ago I published an article in which I told... To do this, you could use special software or use one of the secret codes. Now I will talk about the most popular of them, thanks to which you can make many system settings.

Popular secret codes for Android smartphones

Why are these codes called “secret”? They are simply not needed by most ordinary users; they are not published in the instructions for smartphones. First of all, “secret codes” are intended for engineers and developers to conduct various tests.

To use any of the service codes, you need to enter it in the dialer. On tablets you will have to download third party application to make calls - enter in the search Google Play request “Dialer” and download the “dialer” you like.

*#06# - information about the IMEI of the smartphone
*#*#4636#*#* - information about Wi-Fi, battery and usage statistics
*#*#3646633#*#* or *#*#83781#*#* - entrance to engineering menu on smartphones with an MTK processor (you can use it)
*#*#8255#*#* - testing Google service Talk
*#*#7594#*#* - if you enter this combination, after that, when you press the power button, the smartphone will immediately turn off, without offering a menu
*#*#44336#*#* - information about PDA, CSC, build time and other data about the smartphone
*#*#232338#*#* - Wi-Fi MAC address
*#*#7780#*#* - instant reset to factory settings (Hard Reset). Only removes applications
*2767*3855# - instant reset to factory settings, but unlike the previous one Android way completely reinstalled
*#*#1234#*#* or *#12580*369# - information about the device firmware
*#*#1111#*#* - information about the FTA software version
*#*#2222#*#* - information about the FTA hardware version
*#*#0283#*#* - Loopback test
*#*#0*#*#* - screen test
*#0*# - testing various components: screen, camera, speakers, vibration, microphone and others
*#*#0673#*#* or *#*#0289#*#* - audio test
*#*#0842#*#* - vibration and backlight test
*#*#232339#*#* or *#*#526#*#* - wireless network test
*#*#1472365#*#* - GPS test
*#*#1575#*#* - detailed GPS test
*#*#232331#*#* - Bluetooth test
*#*#232337#*#* - show Bluetooth address
*#*#2663#*#* - touch screen version
*#*#2664#*#* - touch screen testing
*#*#0588#*#* - motion sensor testing
*#*#7262626#*#* - GSM signal test
*#197328640# - switch to service mode
*#*#3264#*#* - RAM memory version
*#*#8351#*#* - activation of voice dialing registration mode
*#*#8350#*#* - disable voice dialing registration mode
#*5376# - delete all SMS
*#2222# - Android firmware version
#*2562#, #*3851#, #*3876# - reboot your smartphone, tablet
*#34971539# - complete information about cameras and updating their firmware
*#*#273283*255*663282*#*#* - quick creation backup copy media files
*#*#4636#*#* - secret menu for Motorola devices
**05***# - unlock PUK on Sony
3845#*855# - service menu on LG G3
*#0011# - service menu on Samsung Galaxy S4
##778 (+call button) - displays the EPST menu (for Samsung)
##3424# - diagnostic mode (for HTC)
##3282# - EPST (for HTC)
##8626337# - VOCODER (for HTC)
##33284# - technical data of network status (for HTC)
##7738# - protocol revision (for HTC)

In principle, these are the most basic and universal service (secret) codes for tablets and smartphones on Android, but all manufacturers add support for their own, so if you are interested in codes for a specific device, download the application. It will be discussed below.

Android service codes in the Secret Codes application

The Secret Codes application will scan the system for engineering codes and display the result in the form of a list. You just need to click on the code of interest and you will go to the desired option.

Unfortunately, this method has a drawback: on some devices the application does not find a single service code, and on some it doesn’t find everything. But on the devices I tested, everything was fine, and the reviews on Google Play were almost all positive.

There are many people in Russia who continue to use Nokia secret codes on their mobile phones. They mostly deal with the phones they use. The following Nokia codes and tricks can be useful for them when they are going to reset, unlock the phone, factory reset, IMEI check and more. How to restore to factory settings?

Today we will help you play with mobile Nokia phones using secret mobile codes . With these codes you can display hidden information about Nokia phones and fix routine problems. Below are the secret codes that work on most Nokia mobile phones. Introduced a new smartphone.

*#06#For IMEI checks(International Mobile Equipment Identity).

* # 7780 # Reset to factory settings.

*#67705646# This will clear the LCD display (operator logo).

*#0000# To view the version software.

*#2820# Bluetooth device address.

# Pw + 1234567890 + 1 # Shows if the sim has restrictions.

*#92702689# – takes you to a secret menu where you can find the information below:

1. Displays serial number.
2. Displays the month and year of manufacture.
3. Displays (if available) the date the phone was purchased (MMYY).
4. Displays the date of the last repair - if found (0000).
5. Shows the service life of the phone (how much time has passed since the last start).

*#4720# – Activation of halftone code.

*#4720* – Deactivate the Half Rate codec. The phone will automatically restart.

Nokia password how to unlock if you forgot it?

If you forgot your Nokia phone password, use this code: *#7370925538#. (Not suitable for all devices, see below for other Nokia reset codes). Please note that your data on your Nokia phone will be deleted. The phone will ask for a lock code. Default lock code: 12345. Press *#3925538# to delete content and Nokia password. Rumors about a new one.

To unlock the service provider: insert the simulator, turn on the phone and press Volume Up (arrow keys) for 3 seconds, then enter the PIN code. Press C then press * the message should flash, press * again and 04 * pin * pin * pin # \ . * # 7328748263373738 # resets the security code. The default security code is 12345. A serious competitor to Nokia has appeared, which promises to become the most powerful smartphone in the world.

Set up carrier features using Nokia codes

Change the closed caller group (settings, security settings and user groups) to 00000, the phone will sound a message tone. When you are near a radar speed trap. Setting it to 500 will cause your phone to turn off the security alarms when you leave the store, this is for practical jokes! Presented in a new Game of Thrones style.

(Works with select Nokia phones). Press and hold "0? On the main screen to open the WAP browser.

# Bta0 # Display Bluetooth MAC address (models with built-in Bluetooth radio, activate first to display address)

* # Mac0wlan # Display WLAN MAC address (models with built-in Wi-Fi radio)

* # Opr0logo # Clear operator logo (3310 and 3330 only)

* # Pca0 # Activate GPRS PCCCH support (early GPRS models)

* # Pcd0 # Deactivate GPRS PCCCH support (early GPRS models)

* # Res0wallet # Reset mobile wallet (models with mobile wallet)

* # Res0 # Soft memory format (Symbian models only)

* # Rst0 # Reset to factory settings, confirmation required (DCT4 or later)

* # Sim0clock # Display SIM clock status (DCT3 only)

* # Ssn0 # Display production serial number (mid-range and premium models, non-Symbian and those

* # War0anty # Display production and repair information (without DCT3 output) or total talk time on Symbian models

* Efr0 # Enable EFR encoding (pre-2003 models)

# Efr0 # Disable EFR encoding (pre-2003 models)

* Hra0 # Enable HR coding (models before 2003)

# Hra0 # Disable HR coding (models before 2003)

Other Nokia secret codes

*#7370# Restore your phone to default settings. You will lose all your settings, data, etc. This is used to reset the phone to the same state when it was brand new.

# * # 2820 # Show Bluetooth MAC address.

# * # 62209526 # Show the wireless LAN MAC address.

*3370#: Enhanced Frame Encoder (EFR) activation. It will automatically restart.

#3370#: Deactivate Enhanced Full Frame (EFR). It will automatically restart.

* 4370 #: Activate halftone code. It will automatically restart

#4370#: Deactivate the Half Rate codec. It will automatically restart

*#147# (vodafone), this lets you know who called you last *#1471# Last call (vodofone only)

*#21# Allows you to check the number to which “All calls” are rejected.

*#2640# Displays the security code in use

*#30# You will see a private number

*#43# Allows you to check the Call Waiting status on your phone.

*#61# Allows you to check the number to which “No Answer” calls are forwarded

*#62# Allows you to check the number to which calls are forwarded "Forward if dead call (no service)"

*#67# Allows you to check the number that “On Busy Calls” is forwarded to

*#67705646# Removes carrier logo on 3310 and 3330

* # 73 # Resetting timers and games

*#746025625# Displays the SIM clock status if your phone supports this power saving feature "SIM Card Mode Allowed". This means you will get better standby time

*#7760#Code production

*#7780#Restore factory settings

*#8110#Software version for Nokia 8110

Do you know any other workers secret codes? If yes share them with us in the form of comments below.

Each secret code for iPhone is combination of numbers and symbols* (asterisk) and # (pound sign). They are entered using standard panel To dial a number: simply open the Phone app and press the required characters on the keyboard.

Depending on the type of combination the user will need to press the call button or not press it (some codes work instantly after dialing). It depends on whether the combination matches the carrier parameter or the specific smartphone model.

Now let's take a quick look basic secret codes for iPhone:

IMEI number

IMEI is an international mobile equipment identifier, a 15-digit code that uniquely identifies your iPhone in GSM, UTMS, etc. networks. It is always printed on the original box of the purchased device and may be required in cases where the device IMEI is needed and when filling out a complaint to the police or when contacting an insurance company. This ID number can also be found in your phone settings.

* 3001 # 12345 # * + “Call”

By accessing the hidden iPhone test, you can find out the real updated information about your mobile network. The menu that appears will show the numerical value of the signal and you can read data about the nearest communication towers.

If you click on the digital signal level in the upper left corner of the screen, you will see ability to switch between graphic and digital displays. Numeric values are always negative. Numbers around "-50" indicate optimal reception, while "-120" are considered very weak.

Call barring

Status: *#33#

Enable: *33*pin#

Turn off: #33 * pin #

These secret codes for iPhones will help you check Restriction status of all your outgoing calls, user data and text messages. This prohibition is used to protect against accidental calls, for example, when a child may be playing on the phone. Modern iOS allows you to perform the same shutdown directly from your phone's settings or by turning on Airplane Mode. But anyone can disable these settings.

It is important to know

Replace "pin" with your SIM card PIN, not the iPhone code!

Status: *#43#

Enable: *43#

Disable: #43#

This option allows receive other calls while the current conversation is in progress, or vice versa, prohibits parallel calls. The second and other callers will be placed in a waiting queue. iPhone owner receives an appropriate audio alert, and can decide whether to start a new conversation or simply connect the person waiting on the line to the current conversation.

Call forwarding

All in a row: *#21#

When not available: *#62#

When busy: *#67#

Disable all forwarding: ## 002 # + “Call”.

If the subscriber is busy or on vacation, he can forward your calls to another colleague or family member. Use the mentioned secret code and interrogate the iPhone about its current call forwarding settings.

Will be useful

In addition to voice recordings, the option allows you to check the transfer of data and faxes.

Anonymity

Status: *#31#

Current call: #31 #phone number + "Call"

When initiating an outgoing call from the iPhone owner It is possible to make your phone number available to the receiving subscriber or hide it. Anonymity status can be checked using the first code above.

To initiate an anonymous call, the user can edit the list of their contacts directly in the phone book by adding the secret code for iPhone #31# in front of the number of a specific subscriber, and then saving it as such.

*#30#+ "Call"

Displays the number of incoming calls that have arrived on the phone.

Center number SMS messages

*#5005*7672#+ “Call”

Allows you to get the current operator's text message center number.

After entering this code, CJ will learn to breathe underwater and will never be able to drown.
After this code, CJ will never ask you for food again. Never ever.

	Codes for endless ammo After entering these cheats, the main character will not only receive endless ammunition, but will also be able to shoot without reloading.
	CVWKXAM
	Adrenaline mode Immediately after entering this cheat, the hero will go into slow-motion mode (bullet-time), and he himself will become incredibly strong	MUNASEF
	Professional killer After entering this code, the main character will learn to master all weapons professionally, receiving the “Killer” level. CJ will shoot as accurately and far as possible.	NCSGDAG
	Change the lifetime of rockets, grenades or molotov cocktails Allows you to set your own lifetime of grenades, rockets and cocktails in milliseconds	Using a trainer
	AEDUWNV
	Aiming from a car After entering this cheat, CJ will be able to conduct accurate targeted shooting from the car.	OUIQDMW

Codes for GTA: San Andreas on the police, attractiveness and bandits

This portion of cheats will help you increase or decrease your wanted level in GTA San Andreas, become completely elusive, get maximum respect in the gang, become the favorite of street beauties, make CJ a jock or vice versa - a skinny or fat man, or breed bandits throughout the area.

After introducing this cheat, your wanted level will be reset to zero, and the cops will stop pursuing Karl.
Be careful with this cheat. After its introduction, all law enforcement agencies in the states will be chasing CJ. Perhaps you should enter the immortality code before using this cheat?
After entering this cheat, CJ will acquire an ideal reputation.
Enter this cheat and Karl will become as attractive as possible to street chicks.
This cheat is just the dream of all girls. It instantly makes the main character look thin. But be careful, if CJ does not eat for a long time after entering the code, he may faint.

	Code name and description:
	ASNAEB
	LJSPQK
	Turn off the police The police will never bother you again	Using a trainer
	Elusive Enter this cheat and the main character will become elusive to all police officers. The police will simply turn a blind eye to all your atrocities.	AEZAKMI
	OGXSDAG
	Removal from the gang After switching on, you can move away from the gang at any distance without fear that it will fall apart	Using a trainer
	EHIBXQS
	Turn off hunger The hero will never need food again	Using a trainer
	Get two wanted stars After entering this cheat, your wanted level will increase by two stars. Few? Enter the code again and get two more!	OSRBLHH
	Code for fat If you want to turn the main character into a fat man, enter this cheat and experience all the delights of the life of fat people.	BTCDBCB
	Maximum gambling skill Turns the main character into a real gambling ace	Using a trainer
	KVGYZQK
	Code for pitching And this cheat is the dream of all guys. After entering it, CJ becomes very muscular, like Arnold Schwarzenegger.	JYSDSOD
	Stamina Code After entering this simple code, the main character's stamina level will reach its maximum level.	VKYPQCF
	Bandits on the street Enter this code and everyone and everything will instantly disappear from the streets, except for factions opposing each other.	BIFBUZZ
	Bandits are everywhere After entering this cheat, bandits will fill the entire staff. They can be found at every step, even in places where they were previously impossible to see.	MROEMZH

Codes for GTA: San Andreas for cars, tank, helicopter, backpack

This is the most popular group of codes for GTA San Andreas. After their introduction, the player will have at his disposal a rare vehicle, such as a Hunter helicopter, a jetpack or even a Tank. Immediately after entering this cheat, the requested vehicle will fall directly on the head of the main character.

After entering this code, a Hunter military helicopter will appear in front of you, with which you can gain absolute superiority in the air, where no cops can catch you!
Do you want to feel like a truck driver? Enter this cheat and a real fuel truck will appear in front of you.
Enter this code and a powerful bulldozer will appear in front of you.
One of the most favorite codes of all GTA San Andreas fans. With the help of a jetpack, you can move around the entire state at decent speed and give the cops a beating.
After entering this cheat, a parachute will appear behind Karl’s back. Just climb somewhere higher first before pulling the pin.
This cheat, beloved by many, makes Karl a real tanker. Cruising through the streets of San Andreas in a tank, you can shoot from a large-caliber gun and terrify the miserable people.
Enter this code and a rather strong Rancher jeep will appear in front of you, which can seriously compete with police carts.
A caddy is a small golf cart that is used by rich people to travel around golf courses. It is quite nimble and noisy, but quite fragile.
Enter this cheat and a racing car will spawn in front of you. It's best to do this somewhere on the highway where you can bury your sneakers into the floor.
Is there something unsatisfactory about the first racing car? Then try this one for a ride. The difference between them is not too big.
After entering this code, a well-fortified Bloodring Banger car will appear in front of you. It is not too fast, but its body is reinforced with stiffening ribs, so it can withstand any accident perfectly.
Do you want to feel like a celebrity? Enter this code and a long limousine will appear in front of you. Although, celebrities have personal drivers, and you will have to drive it yourself.
Feel like an undertaker. After entering this cheat, a real hearse will fall from the sky.
Well, someone has to clean up all this mess on the streets of San Andreas. Try yourself in the role of this poor guy who deals with waste every day.
ATV is the best means of transportation in the desert. In addition, it is excellent at overcoming small obstacles.
Military Hydras protect the airspace of San Andreas from maniacs like the main character. What if this powerful fighter falls into the hands of the maniac himself?
Vortex Hovercraft is a hovercraft that moves remarkably well not only on land, but also on water.
Enter this cheat and get at your disposal a monster jeep with huge wheels, with which you can have fun driving on the roofs of small cars.

	Code name and description:
	OHDUDE
	AMOMHRER


	AIYPWZQP
	AIWPRTON
	JQNTDMH
	RZHSUEW
	PDNEJOH
	VPJTQWV
	CQZIJMB

	AQTBCODX


	JUMPJET
	KGGGDKP

	Code for the plane for stunts (Stunt Plane) This aircraft was created specifically to perform aerobatic maneuvers. Try performing a “barrel” or “corkscrew” on it.

Codes for GTA: San Andreas for car characteristics, traffic and controls

These cheats will help you upgrade your vehicle by installing nitro on it or making it invisible. In addition, you can play with traffic and traffic lights, teach boats or cars to fly, make them jump, etc. Don't forget that you shouldn't save after entering the codes - you'll then have to play in this crazy world with jumping cars.

Enter this crazy cheat and after you crash into another car, it will fly far, far away. Its flight range will depend on the force of the collision.
After entering this cheat, all cars driving around the city will be replaced with those that can usually be found in rural areas.
This fun cheat makes cars invisible. Only their wheels and motorcycles remain visible.
After entering this cheat, the city will be filled with expensive and fast cars. Take any one and ride like a breeze!
After entering this cheat, all NPC drivers will begin to behave more aggressively on the road. Be careful not to get run over by them!
Do you like black? Then enter this code and most cars in traffic will turn black.
And this cheat is for lovers of the color pink. Once implemented, most vehicles in the state will be pink.
This is just a dream for all car enthusiasts. Activate this cheat and every traffic light that Karl approaches will immediately turn green.
After entering this cheat, the main character will be able to take off directly in his car. GTA Vice City has a similar code, but the updated version allows for more precise control of the car in the air.
This cheat is very similar to the previous one. The only difference is that after entering this code, CJ will be able to float in the air on a boat or other water vehicle.
After entering this cheat, driving cars will become much easier. All the cars will run like clockwork, and even a newborn can handle them.
Enter this code and you will see only cheap cars on the city streets - no expensive sports cars!

	Code name and description:
	Code for nitro (nitrous oxide) Enter this cheat and nitro acceleration will appear on every car, and their drivers will become endlessly happy.	COXEFGU
	BSXSGGC


	GUSNHDE
	YLTEICZ
	Reduce traffic After entering this cheat, there will be much fewer cars on the street, and people will disappear completely, like in a ghost town.
	Blow up all the cars This code will blow up all cars in sight. Be careful: if your hero is in the car while entering the code, it will also explode and CJ will die.	CPKTNWT
	The driver is a professional Enter this cheat and Karl's driving skill will instantly increase to the maximum.	VQIMAHA

	LLQPFBN


	AFSNMSMW
	The car is a tank This code will turn your car into a tank. Enter the cheat, then crash into a car and it will explode, just like after a collision with a tank.	JCNRUAD


	Code for jumping BMX After entering this cheat code, the main BMX on which the main character sits will be able to jump much higher than before.

Gameplay codes for GTA San Andreas

The next batch of codes will allow you to quickly put together your own gang, wreak havoc on the streets of San Andreas, make pedestrians go crazy and attack the main character with dildos or firearms. In addition, there are many other fun gameplay cheats in this section. You can have a beach party or commit suicide.

After entering this cheat, complete madness will begin to happen around. Pedestrians will start going crazy, and buildings will be on fire, just like in one of the final missions of GTA San Andreas.
Enter this cheat and pedestrians will look like Elvis Presley. Just like the sixties!
Pedestrians with katanas begin to walk around the city. The streets are filled with black models PCJ-600, BF - 400, FCR-900, as well as black ment trucks. In addition, the main character also has a katana.
Clowns and fast food vendors start walking down the street. The main character has a clown nose and red hair, and ice cream vans constantly drive along the roads.
After entering this cheat, CJ will commit suicide. This code is very useful if you are stuck somewhere and cannot get out - just kill yourself and be done with it!
Do you want to throw a beach party in GTA San Andreas? Nothing could be easier! Just enter this cheat and all pedestrians will instantly turn into attractive beach chicks in swimsuits, the main character will receive shorts and sandals. Even vehicles will change!

	Code name and description:
	Hire a man with a grenade launcher A new bro will join your gang. If he does not have any weapons, then a grenade launcher will be at his disposal.
	IOJUFZN

	Crazy pedestrians If you are bored and have nothing to do, then enter this code and watch how pedestrians will be angry with each other and beat their opponents with everything that comes to hand.


	Magnet for whores The streets are filled with girls of easy virtue with dildos, who are drawn to the main character, do not hesitate to get into his car and protect him from ill-wishers.	BEKKNQV
	People attack CJ A very funny cheat, after entering which the player is attacked by armed pedestrians. This code cannot be disabled, so do not try to save after activating it if you do not want to ruin your save file.
	Bounty on your head After entering this cheat, a reward will be assigned to CJ’s head and all pedestrians will try in every possible way to finish off the poor fellow.

	Take a pedestrian with a 9mm into the gang Activate this cheat code to accept a passerby into your gang and give him a 9mm pistol if he has no other weapon.
	Arm pedestrians Another funny, but rather dangerous cheat gives all pedestrians a weapon. Be careful - some of them are completely brainless, and if a fight suddenly breaks out, then everything will be used, and completely innocent people, for example you, may get hurt.
	Hillbilly After activating this cheat, there will be much fewer ordinary city cars and pedestrians. On the streets you will only find creaking village carts and villagers.
	High jump code It’s not for nothing that this cheat is called KANGAROO, which translated into Russian means “Kangaroo”. Once activated, CJ will learn to jump 10 times higher than before. Just don’t forget that falling from a great height negatively affects the health of the main character.
	Code for mega strike Enter this cheat and feel like a real superman. Approach any passerby and try to hit him. Just remember that some pedestrians will want to hit you too, and they also have a mega-blow at their disposal.

Cheat codes for changing weather and time

The final section of codes will help you change the weather conditions (summon the sun or a sandstorm), speed up or slow down the passage of time and even change the color of the sky, feeling like a real god in GTA San Andreas!

Orange sky, orange sun, orange CJ! In fact, this cheat just activates the orange sky, making it the same as in the very first screenshots of GTA San Andreas. Additionally, the game clock will freeze at 21:00. Nothing unusual will happen again.
Still not enough sun for you? Do you want real Africa in GTA San Andreas? Enter this cheat and the weather will become as clear as possible and as sunny as possible. That's it, it couldn't be sunnier!
Tired of the sun? Cover the sky with clouds! After entering this code, clouds will begin to thicken over the city. And if you want it to rain, then use the following cheat.
If you love rain, then this cheat is created especially for you! It activates a good summer shower. But it’s unlikely that the rest of the residents of San Andreas will like him.
Enter this cheat and the whole sky will be covered with a white haze. If you also activate the cheat at night, you will get a wonderful, frightening atmosphere for filming a horror film.
After activating this cheat, the sky will become completely dark and a terrible thunderstorm with lightning will begin.
Feel like you are in a real African desert. Enter this cheat and a sandstorm will immediately arise. For maximum effect, we recommend that you first go to a desert area.
After activating this cheat, the game time will stop at 00:00 and the game will enter eternal night. The situation will change if the main character dies.

	Code name and description:

	Either evening or morning After entering this cheat code, the game time will move to either 9:00 am or 21:00 pm depending on the current time of day.	YSOHNUL
	Speed up gameplay Enter this code and immediately notice the acceleration of the gameplay. Cars, pedestrians and the main character will begin to move faster. It looks pretty funny.
	Slow down gameplay After entering this cheat, the gameplay will slow down significantly. You will feel like you are in "The Matrix": pedestrians, cars and the main character will move very slowly.
	Code in the sun Is it constantly raining and always cloudy in GTA San Andreas? Then activate this cheat code and the weather will instantly become clear, as it should be in sunny California.

	ALNSFMZO

Now let's take a quick look basic secret codes for iPhone:

Service codes for mobile phones are a set of commands with which you can get various secret technical information about the handset. For devices, for example, from Samsung, this has always been the norm. But Apple is extremely reluctant to share such information with the audience, but this does not mean that it is impossible to access it. As much as possible!

Typically, all these codes and ciphers are dialed from the device's dialer. In other words, this is the place from where any user can dial a subscriber’s number, a USSD command, or simply press the touch buttons and listen to the beeps emitted by the handset.

Many people know that, for example, the command *#06# shows the IMEI of any mobile phone or devices with a radio module. This is a mandatory requirement for all such devices designed to operate in GSM, WCDMA and IBEN networks. All other codes are at the discretion of the manufacturer.

In fact, this is a very useful thing for consumers. Before purchasing a device, you can always check the functionality of its main technical components: display, microphone, sensors, and so on. First of all, this applies to devices from the South Korean electronics giant Samsung.

And for Apple iPhone there is something interesting. It is connected primarily with the operation of the smartphone’s radio module and setting up its interaction with the operator. So, below are the commands we are interested in:

*3001#12345#* – access to basic information about the inserted SIM card, operator network, current signal status, etc.

*#43# – information about call waiting.

*43# – be careful, this command activates the call waiting function.

#43# – and this one already deactivates call waiting.

*#21# – receive information about call forwarding.

##002# – deactivate call forwarding.

*#33# – information about blocking outgoing calls, messages, etc.

*33*# – activate call blocking.

#33*# – remove this lock.

#31#phone number – set to block the number for the call.

*3370# – activation of the full-bit encoding script. Leads to improved communication quality, but directly affects battery consumption.

#3370# – disable the above mode.

*#5005*7672# – read the service center number for the operator installed in the phone SIM card.

Godmode, of course, won’t open, but that’s still something. Thus, through experimentation, you can configure in detail incoming / outgoing calls on a newly purchased iPhone. A good opportunity to get the most out of your smartphone without resorting to various hacks and other illegal things.

Let's talk about features you might not know about.

Mobile operating system iOS offers the average user a complete set of tools for comfortable interaction with all the capabilities of a smartphone. An interested user is often interested in the hidden functionality of the entire ecosystem in order to gain access to non-obvious features. If you think that iOS 8 (9) has been studied inside and out, you are mistaken.

Display signal strength in numbers (instead of dots)

By default, any modern smartphone displays information about the network signal level in the form of a visual indicator: bars or dots. To enable the cellular network net-monitoring function in the digital equivalent on the iPhone, a secret code is provided.

phone number

*3001#12345#*

Field Test

ATTENTION!

It is not recommended to change anything in this menu.

The network signal strength is now displayed in numerical equivalent. A single tap will switch digital mode to dots mode.

4. Press the power key until the slider appears.
5. Hold down the key Home and hold for 10 seconds until you return to the Springboard.

The function is activated. A single tap on the network signal level will switch the mode to digital/graphic.

Reducing brightness “below possible”

Bright display with good level Color rendition is one of the main advantages of Apple smartphones. Nevertheless, there are a number of users for whom even the minimum brightness value in complete darkness causes a feeling of discomfort. Using the following setting you can reduce the brightness level to an absolute minimum.

Settings – General – Accessibility – Zoom

Show controller

Keyboard shortcuts

Increase

4. Press the Home key three times in a row. Tap on the joystick controller that appears. Remove the magnification slider to a minimum. Open item Select filter.

Weak light

Hide controller

Settings are complete. The screen has become significantly darker, and the usual brightness scale allows you to lower the level to the minimum level. To turn off the dim lights, simply press the Home key three times.

Reboot without Power and Home keys

As practice shows, regular use Power and Home keys may cause them to break. What if you need to restart the device, but one of the keys does not respond to pressing?

Settings - General - Accessibility

Thumbnail

3. A pop-up notification will warn you that you need to restart your smartphone to apply the bold font. Agree. The iPhone will restart.

Quickly turn off the flashlight

They say that flashing your iPhone in a dark alley is a bad omen. This is why the quick turn off function of the built-in flashlight can be useful.

To turn on the flashlight directly from the lock screen, just swipe up from the bottom and tap on the corresponding icon. When using it at night, as a rule, we block the device screen, leaving the flashlight on (the bright smartphone screen is blinding). To quickly turn off the flashlight, just:

Home

Power

pull up to a level just above half the screen

The flashlight will be turned off.

Removing folder names

Each application has its own unique icon, not only for aesthetic purposes, but also so that the user can quickly open a specific program using visual and associative memory. However, every app in iOS has a signature name. For a group of applications contained in a folder, the need for such a signature does not always arise. You can disable folder names as follows:

App Store

Food and Drinks

Home

The created folder will not contain a name.

Disabling tabs in Apple Music

Appearance of the service Apple Music significantly expanded the horizons of preferences for music lovers. Millions of songs are now available without the need to download. Disadvantages of the service include dramatic changes in the Music application. A number of additional tabs somewhat complicate interaction with the usual program. You can disable the “unnecessary” (provided that the service is not of interest to you) using a few simple steps:

Settings – Music

Turn off the Show Apple Music slider

Settings – General – Restrictions

Connect to Apple Music

This is what the Music application looked like before completing the above steps:

And this is what it looks like after:

The application has acquired its usual appearance. To enable Apple Music, simply perform all of the above steps in reverse order.

It would seem, what should dishonest GTA owners do on tablets and phones who want to have a little fun? We'll make you happy - there is a way, and even more than one.

Option one

If you have an external keyboard for iPhone or iPad, then simply connect it and enter the codes as in the most common PC version.

Here's the list in case you forgot:

$250,000, full health and armor
Immortality
Infinite ammo (fire without reloading)
An endless supply of air underwater
Adrenaline level
CJ is always full
Assassin level on all weapons

NCSGDAG, PROFESSIONALKILLER

Full weapon aiming in the car
Removing all wanted stars
Six star wanted level
Elusive CJ
Maximum respect
Maximum sex appeal
Increase your wanted level by two stars
Very fat CJ
Very skinny CJ
Very muscular CJ
Bandits have taken over the streets
Gang members are everywhere
Hunter helicopter
Gasoline tanker

AMOMHRER

Dozer
Jetpack

ROCKETMAN

Parachute

AIYPWZQP

AIWPRTON

Rancher
Caddy
Hotring Racer 1
Hotring Racer 2
Bloodring Banger
Long limousine
Romero hearse

AQTBCODX

Garbage truck
ATV

AKJJYGLC

Hydra plane
Vortex Hovercraft
Monster Truck

AGBDLCID

Airplane Stunt Plane
All cars have nitro
Cars fly away
All cars are from the village
Invisible cars
Only cheap cars drive around the city
Only expensive (fast) cars drive around the city
Aggressive movement
Reduced movement
Destroy all vehicles
Maximum Stamina
All cars are black
All cars are pink
All traffic lights are green
Cars fly
flying boats

AFSNMSMW

Smash`n`Boom
Realistic controls
Slow cars
Bouncing cars
Elvis comes to life

BLUESUEDESHOES

Pedestrian assault (with weapons)

AJLOJYQY

Ninja theme in GTA San Andreas

AFPHULTL

Funhouse theme in GTA San Andreas
Magnet of sluts in GTA San Andreas
Pedestrians attack you, get a grenade launcher in GTA San Andreas

BGLUAWML

Hire anyone with 9mm

BGLUAWML

Head gift
Suicide in GTA San Andreas
Pedestrians carry weapons in GTA San Andreas
In GTA San Andreas, all cars and people are from rural areas
High jumps

KANGAROO

Swipe
Beach party
Ghost town

GHOSTTOWN

Orange sky
Speed up the clock
Speed up gameplay
Slow down gameplay
Sunny

AFZLLQLL

Very sunny
Cloudy

ALNSFMZO

It is rainy

AUIFRVQS

Fog
Storm
Sandstorm
Always midnight
Weapon Set No. 1

Brass knuckles, bat, 9mm pistol, shotgun, mini MP5, AK-47, rifle, rocket launcher, Molotov cocktail, spray paint.

Weapon set No. 2

Knife, Desert Eagle pistol, Sawed-Off, Tec-9, M4 assault rifle, sniper rifle, flamethrower, grenades, fire extinguisher.

Weapon set No. 3

Chainsaw, 9mm pistol with silencer, Spaz, MP5, M4 assault rifle, sniper rifle, thermal RPG, mines.

Option two

If you don’t have a keyboard at hand, then there is another way - installing programs that hack the game and give access to various features. You can install such programs only on jailbroken devices and only at your own peril and risk. Here are some of them:

Their principle is simple - install iTools from the archive, then go to the “Programs” section, select GTA and replace the documents from the Documents folder with those contained in the archive.

That's all, actually. Good luck with your foul play!

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