Oppo A72: Unrecognized SIM card

You have just bought an Oppo A72 and when you turn it on, it displays the following error text: SIM card not recognized. From time to time the Oppo A72 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the Oppo A72 directly back. Indeed, there are several tips to fix this trouble. We will therefore find out in this content, what are the stuff to do and verify so that the SIM card is recognized on your Oppo A72.unrecognized-sim-card-oppo-a72

How to proceed when the SIM card is not recognized on my Oppo A72

If the SIM card is not recognized on your Oppo A72, below is a list of stuff that could help you identify the source of the trouble, find out repairing the trouble.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your Oppo A72 is to wash it up. In fact, it might happen that dirt partially prevents the contact between the SIM card and the mobile. To wash 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 A72

From time to time the trouble might be caused by the tracking of the SIM card. In fact, it often happens that tiny metal plugs that most of the time have to come in contact with the SIM card are a bit relaxed. When this is the case, this prevents the Oppo A72 from reading the SIM card. To fix this trouble, you just simply need 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 trouble originates 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 A72

If the two previous steps do not give anything, it truly is necessary to test a different SIM card to find out in the event that the trouble originates from the card. Indeed, in the event that other SIM card function on the Oppo A72, it truly is because the trouble originates from the card. Otherwise, it truly is at the level of the cellphone that we will have to look.

Check that your Oppo A72 is not Simlocker

In case you have tried several SIM cards on the Oppo A72 and non-e are recognized, the cellphone may perhaps be Simlocker. It indicates that the Oppo A72 will recognize just the SIM card of a certain operator. In this case, you have to unlock it. You will find without a hassle a lot of offer on the internet that could do that.

Check that the problem doesn’t be caused by the ROM installed on the Oppo A72

This part mainly concerns the people who root the Oppo A72 to install a ROM that is not original. If this is actually what you have done, be aware that the unrecognized SIM card trouble is quite common after installing new ROMs. We suggest that you reinstall an original ROM and re-test it.

If nothing functions

If all the above solutions do not work, we recommend you to bring your Oppo A72 and the SIM card back to 1 of your operator’s shops.