Oppo Reno Ace: Unrecognized SIM card

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

How to proceed when the SIM card is not recognized on my Oppo Reno Ace

If the SIM card is not recognized on your Oppo Reno Ace, below is a list of stuff that can help you identify the source of the issue, find out repairing the issue.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your Oppo Reno Ace is to wash it up. In truth, it might happen that dirt partially prevents the contact between the SIM card and the smartphone. To clean 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 Reno Ace

At times the issue might sourced from the tracking of the SIM card. In truth, it often happens 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 Reno Ace from reading the SIM card. To fix this issue, you just need to thicken the SIM a little by gluing 1 or two pieces of tape at the back.

Test the SIM card on another telephone

To find out if the issue originates from the SIM card, you may test it on another phone and you will have your answer. In case it is not recognized on other devices, you may modify the SIM card.

Try another SIM card on your Oppo Reno Ace

If the two previous steps do not give anything, it can be necessary to test another SIM card to find out in the event that the issue originates from the card. In fact, in the event that other SIM card work on the Oppo Reno Ace, it can be because the issue originates from the card. Otherwise, it can be at the level of the telephone that we will have to look.

Confirm that your Oppo Reno Ace is not Simlocker

If you have tried many SIM cards on the Oppo Reno Ace and non-e are recognized, the telephone could be Simlocker. It indicates that the Oppo Reno Ace will recognize only the SIM card of a certain operator. In this case, 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 Reno Ace

This part mainly concerns the people who root the Oppo Reno Ace to install a ROM that is not original. If 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 recommend 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 Reno Ace and the SIM card back to 1 of your operator’s shops.