OPPO A15: Unrecognized SIM card

You have just acquired an OPPO A15 and when you turn it on, it displays the following error text: SIM card not recognized. At times the OPPO A15 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily necessary to bring the OPPO A15 directly back. Certainly, there are a lot of tricks to fix this issue. We will for that reason see in this article, what are the things to do and confirm to ensure that the SIM card is recognized on your OPPO A15.unrecognized-sim-card-oppo-a15

What to do when ever the SIM card is not recognized on my OPPO A15

If perhaps the SIM card is not recognized on your OPPO A15, below is a list of things that will help you determine the source of the issue, see repairing the issue.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your OPPO A15 is to clean it up. In truth, it might happen that dirt partially prevents the contact between the SIM card and the mobile 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 A15

At times the issue might originate from the location of the SIM card. In truth, it often happens that tiny metal plugs that normally have to come in contact with the SIM card are a bit relaxed. When this is the case, this prevents the OPPO A15 from reading the SIM card. To fix this issue, you just simply have 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 issue comes from the SIM card, you may test it on another phone and you will have your answer. If it is not recognized on other devices, you may change the SIM card.

Try another SIM card on your OPPO A15

If perhaps the two previous steps do not give anything, it’s necessary to test another SIM card to find out whenever the issue comes from the card. Certainly, whenever other SIM card function on the OPPO A15, it’s because the issue comes from the card. Otherwise, it’s at the level of the telephone that we will have to look.

Check that your OPPO A15 is not Simlocker

If you have tried a lot of SIM cards on the OPPO A15 and non-e are recognized, the telephone may perhaps be Simlocker. This implies that the OPPO A15 will recognize just 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 will do that.

Check that the problem does not originate from the ROM installed on the OPPO A15

This part mainly concerns the people who root the OPPO A15 to install a ROM that is not initial. If perhaps this is actually what you have carried out, be aware that the unrecognized SIM card issue is quite common after setting up fresh ROMs. We advise that you reinstall an initial ROM and re-test it.

If perhaps nothing works

If perhaps all the above solutions do not work, we advise you to bring your OPPO A15 and the SIM card back to one of your operator’s shops.