Is it possible to insert a SIM card from a phone into a tablet? The tablet does not see the SIM card? Why doesn't SIM card work? How to make a micro SIM yourself from a regular card

In this article we will tell you how to correctly insert a SIM card into your phone yourself. New modern models are coming out with convenient slots into which cards of the required size can be inserted without problems.

And all popular mobile operators produce unique constructors - SIM cards in three popular sizes: nano, micro and standard.

SIM cards are a subscriber identification module of a telecom operator. Several decades have passed since their launch until the start of mass sales, and during this time their shape and size have improved. This process was forced. First, smartphones appeared on the mobile markets, and there was simply not enough space under the back cover for parts. Technologies have improved, user demands have increased, batteries are larger, phones are thinner, and there is less space.

This evolution of cards allowed them to be reduced by almost half, and modern retractable slots significantly freed up space for other parts.

Let's look at what types of sim there are, what their features are, and how to insert a sim:

• The full-size one (which many people didn’t even know was available) is the largest in the line, with the perimeter like a bank card. It appeared in 1991 with the first wave of popularity of cellular communications among ordinary residents. It is not used in modern phones; sometimes you can find cars with similar “innovations” a la the 90s.
• Mini-SIM - still used for devices manufactured from the 2000s to the early 2010s, supports 2G and 3G.
• Micro-SIM - appeared in 2003, but is currently considered the most used generation of communication modules. Supported by all manufacturers of modern gadgets with 3G and LTE.
• The smallest is the Nano-SIM, which looks like its predecessor, but without the plastic edges. It appeared five years ago and is used in all models of the Apple brand and some other premium segment manufacturers.

All types of SIM cards are inserted the same way - into the designated slots in a smartphone or tablet. It is impossible to say exactly where the stand is located, since manufacturers reserve the right to place them anywhere, according to their design concept. Sometimes new phones have a sticker with step by step instructions, it can also be found in the User's Guide.

Installing a SIM card

Traditionally, manufacturers place card holders on the right side of the case (if the cover is not removable), or directly under the battery, if it is removable. The following instructions are suitable for owners of the latest type of gadgets:

1. Check if your phone is turned off.
2. Detach the back panel.
3. Locate the small indentation between the case and the battery.
4. Remove the battery.
5. There you will see SIM card slots. They come in different types: separate and two-story. The side you want to hold up when inserting will be shown next to the holder. As a rule, it is inserted with the gold contacts facing down.
6. Carefully insert the battery back. Check that it fits snugly.
7. Return the lid until you hear a characteristic click. They will mean that the lid is in place.

In the video you can see what to do with modern models whose lids cannot be removed:

Here's another video with a useful life hack:

Settings

Modern smartphones and SIM cards do not require manual connection. When starting for the first time on a new device from mobile operator You will receive a package of free settings for all types of cellular services.

For dual-SIM mobile devices, control can be a little difficult for a beginner. You can choose a SIM for certain actions by default, or choose it yourself for every call and message.

Will a regular SIM card fit into the micro-sim slot?

You can cut a regular size card to micro-sim dimensions if the card is old. However, it is much easier and safer to contact a service center, where they will give you a new SIM in the form of a transformer - all popular sizes.

If the module urgently needs to be replaced with a smaller one, you can cut it manually with ordinary sharp scissors.

What to do with a poorly cut SIM card

However, such experiments do not always end successfully. If the SIM card was cut incorrectly and was damaged in the process, you must contact the customer service points of your mobile operator. Replacing the card with another SIM while maintaining the balance, tariff plan and, directly, the number does not take long.

Insert a SIM that has mechanical damage, Not recommended.

SIM card malfunctions

Users guess about their malfunction when the OS does not see the module and does not indicate it with the corresponding icon. The reasons may be:

• The SIM has expired and is not intended for further use.
• It has mechanical damage - scratches, chips and breaks.
• Failed trimming. We mentioned it above.
• The phone's firmware is tailored for a specific buyer.
• Problems with the slot.
• Crashes in operating system and software.
• The contacts were damaged during installation.
• Dirt got on the card holder.

In most cases, the card needs to be replaced, or the phone needs to be sent to a technician for diagnostics, as these can be either hardware or system problems.

Conclusion

Mobile communications and the Internet are available throughout the day thanks to smartphones and small card modules issued by cellular providers. That is why they need to be treated with care, monitored for their condition and serviceability. The more gadgets come out, the easier it becomes to use SIMs - their sizes decrease, and their capabilities increase. We hope you found this article helpful and provided easy-to-understand instructions on how to handle them in different situations.

Video

Greetings, friends! Admit it, you bought a tablet for Internet surfing, games and other simple tasks. But, suddenly you need to make a call, and your native smartphone is failing, so it comes to mind to use a tablet. Due to the lack of experience, this was not so easy to do? And the device refuses to see the SIM card. What to do? Let's somehow find out why the tablet doesn't see the SIM card and use the tablet's capabilities to the fullest!

The earliest models of tablet devices were not equipped with a SIM slot. Now things are different. In almost every budget model, there are one or two cells for mobile chips.

Attention! If you plan to use it in the future laptop for calls, make sure you have a connector before purchasing.

The first, most common reason that the tablet does not see the SIM card is that it is inserted incorrectly into the slot. How to insert a SIM card into a tablet? The chip card of any operator must be inserted with the logo facing up. And nothing else! Otherwise, the contacts in the device’s special socket simply will not be able to read information from the SIM card and transmit it to the screen.

Special connectors

Tablets with slots for micro SIM cards are becoming increasingly popular. An example of such tablets is a Samsung device. Apple devices require a special format - sa-SIM cards.

Some latest tablet models, for example, Lenovo, have a “cunning” design of the receiving tray. There is only one there, but it is divided into two sections. The size of the card determines where to insert it. The slot for a smaller SIM is marked with a marking picture. Be careful!

How to make a micro-sim or nano-sim

Mobile operators keep up with the times and sell chip cards with an imprint. What does it mean? This means the presence of special grooves on the plastic part of the card to independently transform it into a micro-SIM card. And this format is supported by most tablets of the latest year.

If your SIM card dates back to the times when phones could only make calls (imagine!), then you can adjust its size yourself.

What you need for this:

1. SIM card of traditional form factor
2. Stationery knife or scissors
3. Sharpened pencil
4. Ruler and...PATIENCE!!!

How to proceed? Draw new boundaries on the plastic field with a pencil. The new dimensions must strictly comply with the parameters 15 x 12 mm. Cut one end diagonally and sand the edges with very fine sandpaper. Proceed with extreme caution and take your time.

Remember! Damage to the metal plates on the card will inevitably lead to its damage. Then you will have to restore the card again at the service center of your mobile operator. There is an automatic card cutting service available at a specialty electronics store. They are very inexpensive. If you are not confident in your abilities, you should go there for pruning.

Nano SIM is 0.09 mm thinner than cards of other formats. You can't tell it by eye. But Apple even has smart slots in iPhones - a SIM card cut to fit the format may not fit. Craftsmen from the Internet recommend removing the excess layer with sandpaper. I advise you to make a replacement from your mobile operator. Both Beeline, Megafon and MTS make such replacements at subscriber service centers.

For what reasons does the device not see the card?

Have you figured out the format, but the tablet still does not detect or show the SIM card?

There may be several reasons:

• Check the activity and serviceability of the card itself. It may be damaged or out of date. To do this, insert another card into the device. If it appears, buy yourself a new card.
• It's worse if he doesn't find another card. Then the reason is the tablet's operation. Most likely, the contacts in the slot are broken. It is best to find out this at a service center.
• Android OS is not infallible, and maybe a simple flashing will fix the situation. It happens that software“plays naughty” and doesn’t read the card. Or you, accidentally or intentionally, have the “Airplane” mode enabled on your device.
• Installing a new system didn't help? Cheap Chinese tablets may simply not include mobile operators in other countries. Then you need to make the settings manually.

Problems with mobile operator

It may happen that the tablet no longer sees the SIM card of a certain operator mobile communications. For example, it happens that the tablet does not see the Beeline SIM card, but sees MTS. What should you do in this case? You need to restart your phone again. During automatic signal connection, the code from the card is read and it will find the network.

Another solution to the problem is to try sending SMS from your tablet, then permission to send will be automatically requested. Make a confirmation. This option might work. If none of the methods help, it makes sense to change the card to a new one. Beeline service centers will do this for free.

Bottom line

Do not panic if the SIM card in your tablet does not work immediately after installation.

Try a few simple steps:

1. Carefully inspect your SIM card. It may be greasy, dirty or dusty and may not be read correctly. Carefully clean it of excess debris.
2. Remove and reinsert the chip. Sometimes it just doesn't fit correctly in the tray and the connection doesn't happen. Samsung rarely lets its owner down, but “no-name” models are often equipped with loose slots.
3. Reboot your device. All devices can sometimes act up and should be helped from time to time.
4. The card is a fragile material. Over time, the contacts may simply move away or become worn out. Just change it.

In any case, the SIM card must be handled carefully and transferred from one device to another as little as possible.

I want my advice to be useful to you, and I try to become the best I can. Leave your comments under the article and!

Bye everyone, my dear subscribers! Sincerely, Rostislav Kuzmin.

For some time now, tablets began to be equipped with special 3G modems and GSM modules, which allowed the manufacturer to launch devices of this type to a new level of demand. However, along with new communication capabilities, the above-mentioned tablet devices inherited from their smaller brothers (meaning ordinary cellular devices) a certain predetermination to various kinds of network failures. However, in most cases, the seemingly problematic situation “the tablet does not see the SIM card” has a fairly simple solution. This article will help you understand the reasons that led to the “technical blindness” of the device and understand how you can independently eliminate the identified malfunction. So let's turn on the positive and move on!

Form factor features of starter packs

You will be surprised, but in most cases the reason that the tablet does not see the SIM card is precisely the incorrect positioning of the SIM card itself. If the subscriber GSM chip does not fit into the special slot of the device or unnaturally falls into the depths electronic device, perhaps the SIM card does not meet the required standard.

Today, the most common use of SIM cards is the traditional type (MINI SIM). The slightly reduced size of GSM cards belongs to the MICRO SIM type. The NANO SIM standard closes the list. By the way, these are exactly the SIM cards that Apple devices are equipped with.

So, if after installing the starter package you suddenly find that the tablet does not see the SIM card, make sure that the installed SIM meets the technical requirements of the tablet device manufacturer. You may need to purchase a special adapter or carefully trim off the extra millimeters of the plastic frame of the GSM chip. In the context of the above, it becomes clear: the size of the SIM card matters.

“Naughty hands” and the consequences of their owner’s thoughtless haste

There are often cases when an unlucky user tries at all costs to shove or squeeze a SIM card that clearly does not want to go in (for known reasons) into the corresponding housing hole. As you understand, after such an “execution” the device is unlikely to work fully in the future. Usually, excessively applied force and the reluctance of some users to understand the current situation in more detail (the tablet does not see the SIM card) lead to a disastrous result: the internal connectors of the SIM receiver break. In the latter case, the “hurry” cannot avoid specialized repairs. Well, if you take into account the fact that the model is a brand name, then this kind of repair will cost a lot of money.

Chinese "troubles", or Where is my operator?

Sometimes the user does not even know that he has become the owner not of the original device, but of a clone from the Middle Kingdom. It is worth mentioning that recently the stereotype “Chinese means...” has become somewhat outdated. However, the relevance of the consequences still applies to devices whose cost more than corresponds to the concept of “cheap”.

So, it may happen that when you insert a SIM card, your device will not be able to determine the operator, that is automatic settings won't work. It’s quite natural that the question will definitely arise in your head: “Why doesn’t the tablet see the SIM card?” The answer to such difficulties could not be simpler: search for active GSM networks manually, and after you specify the desired communication provider, the problem will be resolved.

Software failures and methods for eliminating them

A rather difficult situation is when, for example, a Lenovo tablet does not see a SIM card that is known to be working. What to do in this case?

• Contact the store with a reasoned complaint about a malfunction of the device.
• Check the firmware version yourself for compatibility with your device.
• Uninstall third-party software.
• Perform a hard reset of the device, first saving the necessary data to the memory card.

If there are no positive results, seek help from a specialized workshop. Calm down, the flashing process is a fairly quick and relatively inexpensive procedure for this type of electronics such as a tablet.

Finally

So, we can say the main points of the question: “The tablet does not see the SIM card, what should I do?” You and I have allowed it. However, we should not forget that the cause of unnecessary worry may be the user’s banal inattention. Agree, turning to a specialist for help will make a person look a little stupid after the problem with the SIM card is resolved by simply deactivating the autonomous or “flight” mode. By the way, the user-assigned priority Wi-Fi networks can also become a kind of culprit for the inactivity of the GSM chip. And lastly: don’t discount the negative impact environment. After all, sometimes the question voiced in the article “why the tablet doesn’t see the SIM card” can have a funny and, nevertheless, truthful answer: “Write less SMS in the rain!”

That's all. All the best to you and... protect your gadget from bad weather!

If previously a person used a mobile phone to communicate and access information, today many people prefer to use a tablet. It has a whole host of advantages, thanks to which it is currently the most popular gadget. Many people know that modern models of tablet computers have a SIM card slot. This allows the device to be used as a means of communication. However, new owners are faced with a problem - they do not know how to insert a SIM card into the tablet.

Is this article useful for me?

What is included in this answer. Fill in the blank with the type of phone you have. Before starting work, make sure the device is turned off. Does your phone have a removable back cover? Select one of the following options. There are usually two ways to remove the back cover of your phone. First try removing the cover.

You have to press firmly on the back panel with your thumb and then move the cover down, turn off the device. If your phone doesn't work this way, try the second method; removing the cover. Place your fingernail under the corner of the phone and try to pull the back cover away. Although you will have to use a small amount of force to remove the lid, it shouldn't be a struggle.

In some cases, installing a SIM card into the tablet yourself leads to damage and the module itself becomes faulty. If you insert the SIM card into the tablet incorrectly, it can ultimately lead to the SIM card getting stuck in the device. And then a difficult task will arise - how to extract it from there.

My device has a removable back cover

If any of these methods work, your device has a removable back cover and battery. If you feel like you're going to break the device, don't hesitate. Step 1: Remove the back panel and battery. Step 4: Replace the phone's back cover.

My device does not have a removable back cover

Please turn your device back on.

• In fact, smartphones on the market do not use it now.
• This has been a major theme for the last one or two years.

Most of these adapters in the market are not of good quality. Dimensions, mainly thickness, are inaccurate.

If you have a question about how to insert a SIM card into a tablet, then you should not rush into this matter. First, you should find a description of your device. Standard SIM cards do not fit into all tablets. Some require SIM cards to be cut to fit into the microslot.

Step 4: Replace the back cover

You can press and hold the power button and then follow the onscreen instructions to turn off your phone. As shown below, with the gold pins facing up, click on the card. Turn on your phone to enjoy it.

Step 2: Remove the back cover

The community will try to help you.

Customers must own a trade device. Loans expire after 18 months, early payment or renewal, whichever occurs first. No equipment security deposit required. Upon completion of 18 months. term, the customer can continue to pay the monthly rental amount, purchase or return the device. Customer is responsible for insurance and repairs. Remaining lease payments will be due immediately and require return of the device or payment of the purchase price of the option lease device.

If you are the owner of a standard SIM card, and your gadget is a tablet from Apple, then you don’t have to rush to install the SIM card. The thing is that iPads do not have standard connectors. If you want to make calls using your device, then in this case you should think about purchasing a mini-card. You can buy one at any mobile phone store. But you don't have to spend extra money. You can simply take a standard SIM card and cut it, thus setting it to the desired parameters.

Upgrade after 12 payments while leases and early upgrades are offered. After renewal, remaining outstanding lease payments are removed. Not allowed in combination with other offers. Other marks are the property of their respective owners. No equipment security deposit is required. Credit applied. based on the monthly rental amount for the second phone. Both devices must be purchased in the same transaction. To return or exchange, all devices must be returned at the same time.

The process of cutting the card, for an additional fee, can be ordered at a communication salon or you can do it yourself using simple means. To do this, you will need a simple tool: a ruler for precise lines, a pencil for drawing cutting lines, and the cutting tool itself - a blade. When you have received a mini-SIM from a standard SIM card, all you have to do is install it into the gadget.

What SIM card is needed for a tablet: Video

Other marks are the property of their respective owners. Tablet offer: limited time. Cannot be combined with other tablet offers. Point of sale activation required. The price of the device is for highly qualified clients. Models with higher memory configuration. may be required. Bottom part. If you place your order after this time, on a weekend or holiday, we will ship it to you the next business day.

While supplies last. Rent: Credit approval. Models with higher memory configurations may require a down payment. Upgrade after 12 payments as long as leases and early upgrades are offered. Other conditions. Rental: max. tax. Offer by phone: While supplies continue. The add-on must be added within 30 days of purchase. Cannot be combined with other offers. Buybacks are only available online and deliveries are last minute.

How to install a SIM card in a tablet? A simple sequence of actions.

Before installing the SIM card, you should turn off the power on your gadget. When this is done, you need to place the gadget with the display down on any plane.

Where to insert the SIM card into the tablet? On the side of the case you can find a tray-hole. This is where the SIM should be inserted. You can find out where the SIM card is installed by looking at the special sign next to it. You need to lightly press the button, for which you can use the special tool included in the kit. If it is not available, you can use tweezers. A paperclip will do too. They can also be used if you do not know how to remove an incorrectly installed SIM card.

Offer is subject to additional terms and conditions. Upon completion of 24 months. term, the customer can continue to pay the monthly rental amount, purchase or return the device. Monthly payment terms and down payment will be different for everyone else.

Down payment, unpaid portion and sales tax on purchase. After the update, the remaining outstanding payments for the return device payments are cancelled. Monthly lease payments do not include taxes. At the end of the rental period, the customer can continue to pay the monthly rental amount, purchase, return or exchange the device. Must remain on a qualifying service plan and in good standing for the duration of the lease. Does not guarantee monthly payment amount, phone selection, or service rates.

When you press on the SIM card slot, it will slide out. You can install a SIM card there. But before doing this, you need to check that the gold-plated contacts present on the SIM card are facing upward, towards the rear panel, and not towards the screen. Press the tray and slide the card into the gadget. However, you should not do this with excessive effort. Otherwise, it may cause the connector to break.

Higher configuration models may require an additional one-time capital reduction payment at signing. Subject to product availability. Allow 15 days after approval for prepaid card charges. No cash or recurring payments. Can be used anywhere. The card and funds expire after 6 months. Complete Hardware Protection: Our protection plans must be added within 30 days of activating your device.

Actual download speed may vary depending on location and device capabilities. The line must be active for 31 days. If you frequently travel abroad for work or play, this is a great option, especially as one of our writers returned from a trip to Turkey recently with a bill worth £115!

Now you need to turn on the device, and then check the mobile connection. If the device finds the network operator, this means that all your actions were correct. Now you can use your gadget as a means of communication.

SIM card (SIM card) is a (Subscriber Identification Module) module that is used to identify a user in cellular networks. Today, this communication format is used in GSM networks. These are regular cellular communication networks, which are used by cell phones (mobile phones), and we use them every day. SIM cards (SIM cards) are used in two types: mini SIM and micro SIM.

Can any SIM card be installed? How to insert a SIM card into a tablet?

They shouldn't charge you a penny. The best plan is to download a template that will show you where to make the cuts. Such templates are freely available on the Internet, but this is as good as it gets. But the difference is so small that it shouldn't be a problem. Because of the single corner cut off, it will only fit together, so you don't have to worry about inserting it up or down. Rotate it and then reinsert the tray.

In our training function. This may be necessary when traveling abroad. To enter your mobile device unlock code, follow these steps: Important: Stop if you receive an error message. Your phone may be permanently locked if you enter the wrong code multiple times.

How are these formats different? Mini SIMs are 25x15mm in size and are mainly used in mobile phones. Micro SIM form factor: size 15x12 mm. Such SIM cards are used in new cell phones and tablets.

In some devices with a 3G module, you can insert a SIM card for the tablet in order to access the Internet via a 3G network. Some tablet computers can even use 3G for calls as a phone. But all these features depend on the operator and phone plan, software and hardware. Often, for some countries, such capabilities are curtailed in tablets.

Unfortunately, this feature is not available on this device. Hold the white tab that comes out of the battery pack and slide the battery out of its compartment. Replace the cover by applying even pressure from above on both sides and ensuring that all deck latches are supported without play.

• Turn off your phone.
• Insert the nail into the socket and lift the battery cover.
• On any home screen, tap the All apps icon.
• Click Settings.
• Click System Storage.
• Section Available under the Total Area heading.

In the case of tablets, the application adds a list of contacts, and in the case of another smartphone, it allows you to link a phone number without the need for a mobile card.

A SIM card for a tablet can be purchased from any operator at the tariff you need. For example, you need a tariff with a good price for unlimited and you don’t need calls and SMS. For such a tariff, operators offer a certain amount of traffic at a cheap price, and excess traffic is assessed at a different price with a speed limit. If you need, for example, a GPS tracker, then the operation of such a device is provided by different tariffs. You need to calculate how much traffic you will consume per day when the GPS module is running. For example, you only need information about traffic jams or you need coordinates that can be constantly sent via SMS or over the Internet. Such calculations can give an approximate amount of traffic you need, and then you can choose the desired tariff from your mobile operator.

This is a simple and quick method, so let's see what needs to be done. This application is completely free and allows us to create a virtual phone number linked to the original and synchronize our calendar contacts. We install it, and when you run it for the first time, you need to create a virtual phone number. We select the one we like best and close the application. . What do you think about this tutorial? Have you tried it yet?

Likewise, the client will be given access to the 112 emergency service, providing the receiving authorities with these calls information about the location of their origin. Clients of this service can only be used by people who have sufficient legal capacity to hire and are residents of Spain. The service is intended for the customer as the recipient or end user of the same, which is prohibited by its resale or unauthorized commercialization. The first top-up payment can be made at the time of contract via credit card, cash on delivery if purchased online or over the phone, and cash if purchased in a physical store.

The required subscription fee or payment for traffic depends on the amount of information consumed. Each cellular operator has different tariff plans that you can choose to suit your needs.

SIM cards from different operators

For example, the Russian company Megafon offers several tariff plans for tablets starting at 350 rubles. up to 1290 rub. (data for summer 2015).

Only international roaming calls can be made and received when the customer has a balance, which cannot be less than 0 euros. During the suspension, the service will be supported for incoming calls, excluding return charges, as well as for emergency outgoing calls to the number. Likewise, the client has the right to voluntarily request a temporary suspension for a specified period, which will be no less than 1 month or more than 3, maximum 90 days per calendar year. In the case of non-automatic compensation, customers who wish to request it must respond to their request with their identity and mobile phone number, the number of the related incident, and the dates and locations in which they were affected by the interruption.

The amount of traffic varies in each tariff from 3 GB to 40 GB. If you are going to watch movies online and download a lot of files from the network, then the most expensive tariff will suit you. If you only listen to music and surf websites in search of information, then you can take a tariff plan with 6 GB traffic. Moreover, in all tariffs the speed is not limited by the megaphone itself and depends on the network load. You can use SIM cards with Internet access wherever there is coverage from a megaphone. You can find out more about this information on this page: “Options for a tablet from Megafon”.

There will also be no compensation where the interruption of service is due to a breach of these terms and conditions by the customer, especially in the case of fraud, risk of fraud or payment delay or network damage due to the end customer's connection. whose compliance has not been assessed in accordance with the current rules. It is therefore an ancillary service that is linked to the mobile telephone service contracted by the customer and through which he will be allowed to exchange digital voice calls with mobile numbers to the information society and the Digital Agenda. Notwithstanding the above, with regard to the expansion and improvement of the service, the client will be informed and will be asked at that time, if necessary, for his consent to additional processing of his personal data that may result in him.

Some tablet models are equipped with a SIM card slot, which allows the owner not only to connect to the Internet via 3G/4G technologies, but also to call landline/mobile phones. If you do not know how to install a SIM card correctly, then read the information published below. The article will also provide solutions to some problems associated with the use of a SIM card.

How to install a SIM card?

First of all, you need to carefully study the instructions for the tablet and find an item describing the type of SIM card that supports this device. Some models can only install microSIM cards, while others support standard SIM cards.

General algorithm for installing a SIM card:

1. Turn off the power to the device.
2. Open the SIM card slot (by pressing or using a special paper clip) and pull out the tray.
3. Install the SIM card so that the operator logo faces up and the contacts face toward the back of the device.
4. Place the tray in place and turn on the tablet.

If everything is done correctly, the device should connect to the network and you can go online or make calls.

Important! In some models, instead of a tray, there may be a connector on the back of the tablet, for example, as in the Lenovo Yoga Tab 8, so installing the SIM card in this case will be carried out differently.

How to make microSim?

In order to turn a standard SIM card into a microSim, you simply need to cut it exactly to the size of 15x12 mm.

You can make a smaller version of a SIM card yourself, but if you are not confident in your abilities, then it is better to buy it at the service center of a mobile operator.

The tablet does not see the SIM card

If, after installing the Sim card, the Lenovo tablet does not detect it, then the problem is either with it or with the device. Here is a list of the main problems:

• SIM card is not active. You need to try installing another SIM card, if it is read normally, then it means you need to replace it old sim map.
• The contacts on the tablet are damaged. In this case, the device will not be able to read information and will need to be taken in for repair.
• Some models have default carriers and the tablet will not work with others. You must manually set the operator. You may need to reflash the device.

Conclusion:

Installing a SIM card into a tablet is quite simple, but you need to act carefully. If the tablet does not see the SIM card, then you can try to solve the problem yourself, based on the recommendations given in the article or, if necessary, use the services of a service center.