Oppo Reno Z: Unrecognized SIM card

You have just acquired an Oppo Reno Z and when you turn it on, it displays the following error message: SIM card not recognized. Oftentimes the Oppo Reno Z does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the Oppo Reno Z directly back. In fact, there are several tips to fix this problem. We will therefore discover in this tuto, what are the stuff to do and confirm in order that the SIM card is recognized on your Oppo Reno Z.unrecognized-sim-card-Oppo-Reno-Z

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

If perhaps the SIM card is not recognized on your Oppo Reno Z, below is a list of stuff that may 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 Z is to wash it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the mobile. 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 Z

Oftentimes the problem may sourced from the location 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 relaxed. When this is the case, this prevents the Oppo Reno Z from reading the SIM card. To fix this problem, you simply have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.

Test the SIM card on another mobile phone

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

Try another SIM card on your Oppo Reno Z

If perhaps the two previous steps do not give anything, it is actually required to test another SIM card to find out in cases where the problem comes from the card. In fact, in cases where other SIM card function on the Oppo Reno Z, it is actually because the problem comes from the card. Otherwise, it is actually at the level of the mobile phone that we will have to look.

Check that your Oppo Reno Z is not Simlocker

When you have tried several SIM cards on the Oppo Reno Z and none are recognized, the mobile phone may be Simlocker. This means that the Oppo Reno Z will recognize simply the SIM card of a specific operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of offer on the internet that may do that.

Check that the problem doesn’t sourced from the ROM installed on the Oppo Reno Z

This part mainly concerns the people who root the Oppo Reno Z to install a ROM that is not original. If perhaps this is actually what you have completed, be aware that the unrecognized SIM card problem is quite common after installing new ROMs. We advise that you reinstall an original ROM and re-test it.

If perhaps nothing works

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