Oppo A11x: Unrecognized SIM card

You have just bought an Oppo A11x and when you turn it on, it displays the following error message: SIM card not recognized. From time to time the Oppo A11x does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the Oppo A11x directly back. Indeed, there are many techniques to solve this problem. We will for that reason observe in this article, what are the stuff to do and verify to ensure the SIM card is recognized on your Oppo A11x.unrecognized-sim-card-Oppo-A11x

What to do when the SIM card is not recognized on my Oppo A11x

If perhaps the SIM card is not recognized on your Oppo A11x, below is a list of stuff that can help you identify the source of the problem, observe repairing the problem.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your Oppo A11x is to wash it up. In fact, 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 Oppo A11x

From time to time the problem may possibly sourced from the location of the SIM card. In fact, it often occurs that little metal plugs that most of the time have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the Oppo A11x from reading the SIM card. To solve this problem, 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 another telephone

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

Try another SIM card on your Oppo A11x

If perhaps the two previous steps do not give anything, it is required to test another SIM card to find out in cases where the problem originates from the card. Indeed, in cases where other SIM card function on the Oppo A11x, it is because the problem originates from the card. Otherwise, it is at the level of the telephone that we will have to look.

Confirm that your Oppo A11x is not Simlocker

If you have tried many SIM cards on the Oppo A11x and none are recognized, the telephone could be Simlocker. This means that the Oppo A11x will recognize simply 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 that can do that.

Check that the problem does not sourced from the ROM installed on the Oppo A11x

This part mainly concerns the people who root the Oppo A11x 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 installing new ROMs. We recommend that you reinstall an original ROM and re-test it.

If perhaps nothing functions

If perhaps all the above solutions do not work, we advise you to bring your Oppo A11x and the SIM card back to one of your operator’s shops.