Oppo A11: Unrecognized SIM card

You have just acquired an Oppo A11 and when you turn it on, it displays the following error message: SIM card not recognized. At times the Oppo A11 does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Oppo A11 directly back. In truth, there are many methods to fix this issue. We will for that reason discover in this content, what are the stuff to do and verify to ensure the SIM card is recognized on your Oppo A11.unrecognized-sim-card-Oppo-A11

What to do when the SIM card is not recognized on my Oppo A11

If the SIM card is not recognized on your Oppo A11, below is a list of stuff that may help you discover the source of the issue, discover repairing the issue.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your Oppo A11 is to wash it up. Actually, it may happen that dirt partially prevents the contact between the SIM card and the smartphone. 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 Oppo A11

At times the issue may come from 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 bit relaxed. When this is the case, this prevents the Oppo A11 from reading the SIM card. To fix this issue, you just 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 issue comes from the SIM card, you can actually test it on a different phone and you will have your answer. If it is not recognized on other devices, you can actually change the SIM card.

Try another SIM card on your Oppo A11

If the two previous steps do not give anything, it is actually required to test a different SIM card to find out in cases where the issue comes from the card. In truth, in cases where other SIM card work on the Oppo A11, it is actually because the issue comes from the card. Otherwise, it is actually at the level of the smartphone that we will have to look.

Verify that your Oppo A11 is not Simlocker

In case you have tried many SIM cards on the Oppo A11 and none are recognized, the smartphone might be Simlocker. It indicates that the Oppo A11 will recognize simply the SIM card of a specific operator. In this case, you have to unlock it. You will find without a hassle a lot of provide on the net that may do that.

Check that the problem doesn’t come from the ROM installed on the Oppo A11

This part mainly concerns the people who root the Oppo A11 to install a ROM that is not original. If this is actually what you have completed, be aware that the unrecognized SIM card issue is quite common after setting up fresh ROMs. We suggest that you reinstall an original ROM and re-test it.

If nothing functions

If all the above solutions do not work, we advise you to bring your Oppo A11 and the SIM card back to 1 of your operator’s shops.