OPPO Reno 8: Unrecognized SIM card

You have just bought an OPPO Reno 8 and when you turn it on, it displays the following error message: SIM card not recognized. From time to time the OPPO Reno 8 does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the OPPO Reno 8 directly back. Indeed, there are several tricks to solve this problem. We will for that reason find out in this tuto, what are the things to do and verify so that the SIM card is recognized on your OPPO Reno 8.unrecognized-sim-card-oppo-reno-8

What to do when the SIM card is not recognized on my OPPO Reno 8

Whenever the SIM card is not recognized on your OPPO Reno 8, below is a list of things that may help you determine the source of the problem, find out repairing the problem.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your OPPO Reno 8 is to wash it up. Actually, it may happen that dirt partially prevents the contact between the SIM card and the telephone. 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 Reno 8

From time to time the problem may be caused by the location of the SIM card. Actually, it often occurs that small 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 Reno 8 from reading the SIM card. To solve this problem, 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 another phone

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

Try another SIM card on your OPPO Reno 8

Whenever the two previous steps do not give anything, it is actually important to test another SIM card to find out whenever the problem comes from the card. Indeed, whenever other SIM card function on the OPPO Reno 8, it is actually because the problem comes from the card. Otherwise, it is actually at the level of the phone that we will have to look.

Confirm that your OPPO Reno 8 is not Simlocker

When you have tried several SIM cards on the OPPO Reno 8 and none are recognized, the phone may perhaps be Simlocker. It indicates that the OPPO Reno 8 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 web that may do that.

Check that the problem will not be caused by the ROM installed on the OPPO Reno 8

This part mainly concerns the people who root the OPPO Reno 8 to install a ROM that is not initial. Whenever this is actually what you have done, be aware that the unrecognized SIM card problem is quite common after installing new ROMs. We highly recommend that you reinstall an initial ROM and re-test it.

Whenever nothing functions

Whenever all the above solutions do not work, we recommend you to bring your OPPO Reno 8 and the SIM card back to 1 of your operator’s shops.