You have just bought an Sony Xperia U and when you turn it on, it displays the following error text message: SIM card not recognized. At times the Sony Xperia U does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily necessary to bring the Sony Xperia U directly back. Certainly, there are many tips to solve this trouble. We will consequently observe in this content, what are the things to do and verify to ensure the SIM card is recognized on your Sony Xperia U.
What to do when ever the SIM card is not recognized on my Sony Xperia U
In the event that the SIM card is not recognized on your Sony Xperia U, below is a list of things that will help you discover the source of the trouble, observe repairing the trouble.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Sony Xperia U is to clean it up. Actually, it may possibly 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 location of the SIM card on your Sony Xperia U
At times the trouble may possibly result from the location of the SIM card. Actually, 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 Sony Xperia U from reading the SIM card. To solve this trouble, you just need to thicken the SIM a little by gluing one or two pieces of tape at the back.
Test the SIM card on a different telephone
To find out if the trouble originates from the SIM card, you can test it on a different phone and you will have your answer. In case it is not recognized on other devices, you can change the SIM card.
Try another SIM card on your Sony Xperia U
In the event that the two previous steps do not give anything, it’s necessary to test a different SIM card to find out whenever the trouble originates from the card. Certainly, whenever other SIM card function on the Sony Xperia U, it’s because the trouble originates from the card. Otherwise, it’s at the level of the telephone that we will have to look.
Confirm that your Sony Xperia U is not Simlocker
In case you have tried many SIM cards on the Sony Xperia U and none are recognized, the telephone may perhaps be Simlocker. This means that the Sony Xperia U will recognize only the SIM card of a specific operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of offer on the net that will do that.
Check that the problem will not result from the ROM installed on the Sony Xperia U
This part mainly concerns the people who root the Sony Xperia U to install a ROM that is not initial. In the event that this is actually what you have done, be aware that the unrecognized SIM card trouble is quite common after setting up fresh ROMs. We highly recommend that you reinstall an initial ROM and re-test it.
In the event that nothing functions
In the event that all the above solutions do not work, we recommend you to bring your Sony Xperia U and the SIM card back to one of your operator’s shops.
