You have just purchased an Sharp Aquos Crystal and when you turn it on, it displays the following error text message: SIM card not recognized. Sometimes the Sharp Aquos Crystal does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Sharp Aquos Crystal directly back. Certainly, there are a lot of tips to solve this trouble. We will consequently find out in this tuto, what are the things to do and verify in order that the SIM card is recognized on your Sharp Aquos Crystal.
What to do when ever the SIM card is not recognized on my Sharp Aquos Crystal
If the SIM card is not recognized on your Sharp Aquos Crystal, below is a list of things that can help you determine the source of the trouble, find out repairing the trouble.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Sharp Aquos Crystal is to wash it up. Actually, it may happen that dirt partially prevents the contact between the SIM card and the mobile. To wash 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 Sharp Aquos Crystal
Sometimes the trouble may be caused by the tracking of the SIM card. Actually, it often occurs 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 Sharp Aquos Crystal from reading the SIM card. To solve this trouble, you simply need 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 comes from the SIM card, youre able to test it on a different phone and you will have your answer. If it is not recognized on other devices, youre able to change the SIM card.
Try another SIM card on your Sharp Aquos Crystal
If the two previous steps do not give anything, it is actually required to test a different SIM card to find out if the trouble comes from the card. Certainly, if other SIM card work on the Sharp Aquos Crystal, it is actually because the trouble comes from the card. Otherwise, it is actually at the level of the smartphone that we will have to look.
Confirm that your Sharp Aquos Crystal is not Simlocker
If you have tried a lot of SIM cards on the Sharp Aquos Crystal and none are recognized, the smartphone may be Simlocker. This implies that the Sharp Aquos Crystal will recognize just the SIM card of a specific 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 will not be caused by the ROM installed on the Sharp Aquos Crystal
This part mainly concerns the people who root the Sharp Aquos Crystal to install a ROM that is not initial. If this is actually what you have completed, 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.
If nothing works
If all the above solutions do not work, we recommend you to bring your Sharp Aquos Crystal and the SIM card back to 1 of your operator’s shops.
