Sony Xperia L1: Unrecognized SIM card

You have just acquired an Sony Xperia L1 and when you turn it on, it displays the following error message: SIM card not recognized. From time to time the Sony Xperia L1 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the Sony Xperia L1 directly back. In truth, there are a lot of techniques to solve this problem. We will for that reason see in this tuto, what are the things to do and check to ensure the SIM card is recognized on your Sony Xperia L1.unrecognized-sim-card-sony-xperia-l1

What to do when the SIM card is not recognized on my Sony Xperia L1

If the SIM card is not recognized on your Sony Xperia L1, below is a list of things which could help you discover 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 Sony Xperia L1 is to clean it up. In fact, it may happen that dirt partially prevents the contact between the SIM card and the cellphone. To clean it, pass a small dab of cloth over it and check if it is not damaged.

Check the tracking of the SIM card on your Sony Xperia L1

From time to time the problem may originate from the tracking of the SIM card. In fact, it often occurs that little metal plugs that normally have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the Sony Xperia L1 from reading the SIM card. To solve this problem, you just simply have to thicken the SIM a little by gluing one or two pieces of tape at the back.

Test the SIM card on another telephone

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

Try another SIM card on your Sony Xperia L1

If the two previous steps do not give anything, it is required to test another SIM card to find out in the event that the problem comes from the card. In truth, in the event that other SIM card function on the Sony Xperia L1, it is because the problem comes from the card. Otherwise, it is at the level of the telephone that we will have to look.

Confirm that your Sony Xperia L1 is not Simlocker

In case you have tried a lot of SIM cards on the Sony Xperia L1 and none are recognized, the telephone might be Simlocker. This means that the Sony Xperia L1 will recognize just the SIM card of a specific operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of provide on the net which could do that.

Check that the problem will not originate from the ROM installed on the Sony Xperia L1

This part mainly concerns the people who root the Sony Xperia L1 to install a ROM that is not initial. If this is actually what you have completed, be aware that the unrecognized SIM card problem is quite common after setting up new ROMs. We recommend that you reinstall an initial ROM and re-test it.

If nothing works

If all the above solutions do not work, we advise you to bring your Sony Xperia L1 and the SIM card back to one of your operator’s shops.