Samsung Galaxy On7: Unrecognized SIM card

You have just purchased an Samsung Galaxy On7 and when you turn it on, it displays the following error text: SIM card not recognized. At times the Samsung Galaxy On7 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Samsung Galaxy On7 directly back. Indeed, there are a lot of techniques to fix this problem. We will therefore see in this tuto, what are the things to do and verify to ensure the SIM card is recognized on your Samsung Galaxy On7.unrecognized-sim-card-Samsung-Galaxy-On7

What to do when the SIM card is not recognized on my Samsung Galaxy On7

If perhaps the SIM card is not recognized on your Samsung Galaxy On7, below is a list of things that can help you determine the source of the problem, see repairing the problem.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your Samsung Galaxy On7 is to wash it up. In fact, it may happen that dirt partially prevents the contact between the SIM card and the telephone. To wash it, pass a small dab of cloth over it and check if it is not damaged.

Check the location of the SIM card on your Samsung Galaxy On7

At times the problem may result from the location of the SIM card. In fact, it often occurs that tiny metal plugs that most of the time have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the Samsung Galaxy On7 from reading the SIM card. To fix this problem, you simply have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.

Test the SIM card on another mobile phone

To find out if the problem originates from the SIM card, you can test it on another phone and you will have your answer. In case it is not recognized on other devices, you can modify the SIM card.

Try another SIM card on your Samsung Galaxy On7

If perhaps the two previous steps do not give anything, it truly is necessary to test another SIM card to find out whenever the problem originates from the card. Indeed, whenever other SIM card work on the Samsung Galaxy On7, it truly is because the problem originates from the card. Otherwise, it truly is at the level of the mobile phone that we will have to look.

Verify that your Samsung Galaxy On7 is not Simlocker

When you have tried a lot of SIM cards on the Samsung Galaxy On7 and non-e are recognized, the mobile phone could possibly be Simlocker. This implies that the Samsung Galaxy On7 will recognize only the SIM card of a certain operator. In this case, you have to unlock it. You will find without a hassle a lot of offer on the internet that can do that.

Check that the problem doesn’t result from the ROM installed on the Samsung Galaxy On7

This part mainly concerns the people who root the Samsung Galaxy On7 to install a ROM that is not original. If perhaps this is actually what you have done, be aware that the unrecognized SIM card problem is quite common after setting up new ROMs. We highly recommend that you reinstall an original ROM and re-test it.

If perhaps nothing works

If perhaps all the above solutions do not work, we recommend you to bring your Samsung Galaxy On7 and the SIM card back to 1 of your operator’s shops.