OPPO Reno 7: Unrecognized SIM card

You have just purchased an OPPO Reno 7 and when you turn it on, it displays the following error text: SIM card not recognized. Oftentimes the OPPO Reno 7 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily necessary to bring the OPPO Reno 7 directly back. Indeed, there are a lot of techniques to solve this problem. We will consequently discover in this article, what are the stuff to do and confirm so that the SIM card is recognized on your OPPO Reno 7.unrecognized-sim-card-oppo-reno-7

How to proceed when ever the SIM card is not recognized on my OPPO Reno 7

If perhaps the SIM card is not recognized on your OPPO Reno 7, below is a list of stuff which could help you discover the source of the problem, discover repairing the problem.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your OPPO Reno 7 is to clean it up. In fact, it may 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 Reno 7

Oftentimes the problem may come 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 relaxed. When this is the case, this prevents the OPPO Reno 7 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 a different cellphone

To find out if the problem comes from the SIM card, you can test it on a different phone and you will have your answer. In case it is not recognized on other devices, you can modify the SIM card.

Try another SIM card on your OPPO Reno 7

If perhaps the two previous steps do not give anything, it is necessary to test a different SIM card to find out if perhaps the problem comes from the card. Indeed, if perhaps other SIM card work on the OPPO Reno 7, it is because the problem comes from the card. Otherwise, it is at the level of the cellphone that we will have to look.

Confirm that your OPPO Reno 7 is not Simlocker

When you have tried a lot of SIM cards on the OPPO Reno 7 and none are recognized, the cellphone may perhaps be Simlocker. This implies that the OPPO Reno 7 will recognize simply the SIM card of a certain operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of provide on the net which could do that.

Check that the problem doesn’t come from the ROM installed on the OPPO Reno 7

This part mainly concerns the people who root the OPPO Reno 7 to install a ROM that is not initial. 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 highly recommend that you reinstall an initial ROM and re-test it.

If perhaps nothing functions

If perhaps all the above solutions do not work, we recommend you to bring your OPPO Reno 7 and the SIM card back to 1 of your operator’s shops.