Sony Xperia ZR: Unrecognized SIM card

You have just acquired an Sony Xperia ZR and when you turn it on, it displays the following error text: SIM card not recognized. Sometimes the Sony Xperia ZR does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the Sony Xperia ZR directly back. Certainly, there are a lot of techniques to solve this trouble. We will therefore find out in this article, what are the stuff to do and verify to ensure the SIM card is recognized on your Sony Xperia ZR.unrecognized-sim-card-Sony-Xperia-ZR

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

If perhaps the SIM card is not recognized on your Sony Xperia ZR, below is a list of stuff that can help you identify the source of the trouble, find out repairing the trouble.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your Sony Xperia ZR is to wash it up. Actually, it may happen that dirt partially prevents the contact between the SIM card and the phone. 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 ZR

Sometimes the trouble may result from the tracking of the SIM card. Actually, it often happens that little 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 Sony Xperia ZR from reading the SIM card. To solve this trouble, you just simply have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.

Test the SIM card on a different smartphone

To find out if the trouble originates from the SIM card, you may test it on a different phone and you will have your answer. If it is not recognized on other devices, you may modify the SIM card.

Try another SIM card on your Sony Xperia ZR

If perhaps the two previous steps do not give anything, it is actually required to test a different SIM card to find out if the trouble originates from the card. Certainly, if other SIM card function on the Sony Xperia ZR, it is actually because the trouble originates from the card. Otherwise, it is actually at the level of the smartphone that we will have to look.

Verify that your Sony Xperia ZR is not Simlocker

When you have tried a lot of SIM cards on the Sony Xperia ZR and none are recognized, the smartphone could be Simlocker. This implies that the Sony Xperia ZR will recognize just the SIM card of a certain operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of offer on the web that can do that.

Check that the problem will not result from the ROM installed on the Sony Xperia ZR

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

If perhaps nothing functions

If perhaps all the above solutions do not work, we advise you to bring your Sony Xperia ZR and the SIM card back to 1 of your operator’s shops.