SIM card in Samsung Galaxy S8 - usage guide. Installing a SIM card on a Samsung Galaxy S7 How to insert a SIM card into an old Samsung


Inserting a SIM card into a smartphone seems to be a fairly simple action that does not require special skills, but not everyone can immediately figure out where the connector is, what format of card can be used and which side to insert it in. In this short article you can find answers to these questions that probably torment some owners of the Samsung Galaxy A3.

Each modification of this model has a special holder for SIM cards, which can be removed using the ejector (clip) that comes with the smartphone. The Samsung Galaxy A3 2015 has two trays, and they are both located on the right side panel, where, in fact, the power button is located. The bottom one is intended exclusively for the main SIM card, and the top one can be used for a second SIM card, or for a microSD card. Modifications 2016 and 2017 are equipped with one holder. In the first it is located in the same place as in the A3 2015, and in the second it is on the frame at the top. It can accommodate either two SIM cards, or a SIM card and a memory card. All three variants of the model are “tailored” to work with nanoSIM. It is best to use a SIM card of this format, issued by the operator, and not cut yourself.

How to insert a SIM card into Samsung Galaxy A3

  1. Carefully insert the ejector into the hole in the holder and press lightly. If everything is done correctly, the tray should come out of the compartment.
  2. Grasp the holder with your fingers and remove it completely.
  3. Place a nanoSIM SIM card into it and insert it into the compartment. Be careful not to mix up the sides, otherwise you may damage the compartment or holder.
  4. Place the holder back into the compartment.

How to remove SIM card from Samsung Galaxy A3

  1. Insert the supplied paperclip into the hole in the tray and press lightly.
  2. Carefully remove it from the compartment. This is best done with your fingers.

Most manufacturers of modern phones are gradually abandoning SIM cards of the old Mini-SIM format. They are being replaced by compact Micro- and Nano-SIM. This approach makes it possible to reduce the size of mobile devices and make them more convenient to use. In this aspect, Samsung did not invent anything new and equipped its Galaxy A5 smartphone with a slot for a Nano-type SIM card. And if you decide to purchase this device to replace an outdated mobile phone, be prepared for the fact that you will have to cut the card you have on hand. Let's figure out how to correctly insert a SIM card into the Samsung Galaxy A5.

Specific features of the SIM slot in the Galaxy A5

Today there are several modifications of Samsung Galaxy A5 smartphones. They differ from each other not only in technical characteristics, but also in the location of the SIM card slot and its capabilities:

  • Galaxy A5 phones released before the beginning of 2016 have two connectors. The first one is for installing Nano-SIM. The card placed in it will be determined by the system as the main one. The second tray is hybrid, that is, you can insert either a second SIM card into it, or expand the memory using Micro SD. Both card readers are located on the right side of the mobile phone.
  • The 2016 gadgets have one hybrid connector, located on the right side of the device under the Power key. As in the first case, you can install two Nano-SIM or SIM+Micro SD in it.

  • New modifications, released in 2017, are equipped with two slots. The first (main), located on the left side of the Samsung, accepts Nano cards. The second tray is located at the upper end and is complex. Thanks to this approach, you can simultaneously fit two SIM cards and Micro SD memory into the phone.

In all modifications of the Galaxy A5, the connectors are opened using a metal ejector included with the device. However, if it is not available, you can use a regular staple, having first straightened one of its ends, or a needle.

Trimming SIM card for Samsung Galaxy A5

If you have a Mini or Micro SIM card on hand, you will need to cut it to Nano format before installing it. Here you need to choose one of three options:

If the third option was chosen, to accomplish your plan you will need the following tools and materials:

  • b/w or color printer;
  • sharp knife or scissors;
  • sandpaper;
  • blank A4 sheet;
  • cutting template;
  • tape or PVA glue.

The sequence of work will be as follows:


The SIM card can be inserted into the phone.

To understand this issue, you need to understand that modern smartphones now use special so-called microSIM cards. Therefore, many owners, having brought the phone home and trying to insert a regular standard SIM card into it, do not understand why the phone does not work and are tormented by the question of how to insert a SIM card into the Samsung galaxy s3. To solve this problem you don’t need to have any special technical knowledge at all, you just need to be patient, a little instructions and a sharp utility knife. Before starting work, it is necessary to determine the old or new type of electronic chip on the SIM card, since if the SIM card of the owner of the phone has an old chip, then the manipulation described below will not help.

This is very easy to determine; if the SIM card was purchased after 2010, then it is quite possible to make a microsimcard from it. Before you start cutting off unnecessary edges of the card, you should turn to the Internet. To do this, you need to study what a micro SIM card should look like - but usually it is just 1 millimeter larger than the chip on each side. Using a pencil and a ruler on the SIM card, you need to step back about 1 millimeter from the chip and draw a kind of rectangle, with one corner cut off. After the card has been lined, you need to take scissors or a stationery knife and cut off the top part of the future microsim card. This must be done very carefully so as not to accidentally damage the chip on the card. Also, special attention should be paid to the fact that the cut line should be perfectly straight.

Since any carelessness can lead to damage to the SIM card. Then, you need to cut off the right side of the card, usually it is the largest and the card number is located on it. All cutting lines must be parallel to the internal chip located on the SIM card. Then the left side of the SIM card is cut off - this is the thinnest part of the cut, so here it is better to use a stationery knife rather than scissors. By the way, in no case should you use nail scissors with rounded edges for work, as this will lead to the cutting lines being uneven and, as a result, the SIM card will not work. The very last step is to cut off the bottom line under the chip and make a bevel on it.

First you need to cut off the bottom part of the SIM card - the result should be a rectangle smaller than the SIM card once was. Now you need to cut off the lower right corner, for this it is best to use a protractor and mark an angle of approximately 45 degrees with a pencil, and then use a utility knife and a ruler to cut it off. In principle, all work is completed. Now all that remains is to insert the SIM card into the phone; to do this, you just need to remove the back panel cover of the Samsung galaxy sIII smartphone and carefully insert the resulting SIM card into the hole for microsim cards. Then you need to turn on the phone.

This method does not provide a complete guarantee that after the manipulations performed, the purchased phone will work; moreover, no one can give a 100% guarantee that cutting the SIM card will not lead to a breakdown of the phone. So, how to insert a SIM card into Samsung galaxy s3? So that this does not lead to damage to the device? To do this, just contact any mobile phone store, where they will cut your existing SIM card to the required size for a nominal fee. It is best to do this immediately when purchasing a phone - in this case, any malfunction in the phone. Any damage caused by SIM card cutting can be attributed to the seller's fault.

But, the best thing is not to suffer and not spend extra money, but to order a duplicate SIM card in micro size completely free of charge in the salon of a mobile operator whose SIM card is used by the lucky owner of a Samsung galaxy s3 smartphone. This procedure is completely free and does not require any additional or time-consuming costs. All the phone owner needs to do is write a statement in which they must indicate that they need a micro SIM card. And also when purchasing a new card, for example, if the phone was purchased as a gift, you can immediately order a set of cards, which will include a micro sim and a standard sized sim for regular phones.

It would seem that placing a SIM card in the Samsung Galaxy S7 is not so difficult. However, it is not surprising that new smartphone owners who have switched to this model from other, earlier ones have a similar question. The fact is that, starting with the Galaxy S6 line models, Samsung decided to combine a slot for SIM cards and microSD cards. As a result, the phone body became monolithic, and the cards acquired a new location. And if previously it was enough to simply remove the cover of the smartphone and insert the SIM card into a special recess, now you can rack your brains quite a bit before finding the right compartment and placing the card there.

How to insert a SIM card into Samsung Galaxy S7

If your device is in active mode, we advise you to first turn off the device. This will prevent the possibility of various errors appearing in the operation of the gadget in the future.

Video for clarity

How to remove a SIM card from the slot

In order to perform the reverse operation, that is, remove the SIM card from the device, you need to perform the following steps:

  1. To avoid data loss or incorrect phone operation, first turn off your device.
  2. Take the key that came with your Samsung Galaxy S7, or a regular paperclip. Don't forget to straighten it first. Insert a key or paper clip into the special hole in the SIM card tray cover. Apply light pressure and when the tray comes out a little from the body, pull it towards you.
  3. Once you have the card slot in your hands, remove the memory card or second SIM card (if installed) from it.
  4. Then you can pull out the desired SIM card. When performing these steps, be careful, because rough handling of the equipment can damage the contacts and lead to improper operation of the device.
  5. Once you have removed the SIM card, carefully place the card tray back into the phone. To do this, you just need to insert it with the correct side into the slot and press down a little so that the tray is fixed in the body.

In the end, it turned out that inserting a SIM card into the Samsung Galaxy S7 is actually not that difficult. It is enough to know where the card slot is located, as well as be a little patient and careful during installation.

Samsung Galaxy S7 and Galaxy S7 Edge mobile phones work with Nano SIM cards. Therefore, if you bought this device to replace an outdated mobile phone, you will most likely need to change the SIM card at a customer service point or independently format the card into the desired format. Many users choose the second option, since contacting a service center may be associated with certain difficulties. Let's look at how to cut and install a SIM in a Samsung Galaxy S7.

Procedure for cutting SIM cards for Galaxy S7

NanoSIM is a relatively new format for SIM cards. It first appeared in the iPhone 5 and is still used in all Apple devices. A little later, smartphones from the Samsung Galaxy line began to be equipped with Nano-type card holders. This approach made it possible to reduce the size of mobile devices and make them more convenient to use.

If your previous gadget worked on a Mini- or Micro-SIM, then before inserting such a SIM card into the Samsung Galaxy S7, it must be cut correctly. To perform the upcoming work, prepare the following tools and materials:

  • cutting template (you can download it from the Internet and print it on a printer);
  • thin scissors or stationery knife;
  • scotch;
  • thick rags or fine-grained sandpaper.

The procedure for cutting a SIM card to Nano format is as follows:

The NanoSIM card is ready for further use.

Installing a SIM card in Samsung Galaxy S7

Installing a SIM card in the Galaxy S7 is done in the following sequence:


If you cut a SIM card yourself, there is a small chance of damage to its microcircuit. Therefore, if your smartphone does not want to accept the card, replace it with a new one at your operator’s subscriber service center.

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