OPPO A74: Unrecognized SIM card

You have just acquired an OPPO A74 and when you turn it on, it displays the following error message: SIM card not recognized. Oftentimes the OPPO A74 does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the OPPO A74 directly back. In fact, there are many methods to fix this trouble. We will therefore observe in this content, what are the stuff to do and verify to ensure that the SIM card is recognized on your OPPO A74.unrecognized-sim-card-oppo-a74

How to proceed when ever the SIM card is not recognized on my OPPO A74

Whenever the SIM card is not recognized on your OPPO A74, below is a list of stuff that may help you identify the source of the trouble, observe repairing the trouble.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your OPPO A74 is to wash it up. Actually, it may possibly happen that dirt partially prevents the contact between the SIM card and the phone. To wash 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 A74

Oftentimes the trouble may possibly originate from the location of the SIM card. Actually, it often occurs that little 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 A74 from reading the SIM card. To fix this trouble, you just need to thicken the SIM a little by gluing one or two pieces of tape at the back.

Test the SIM card on a different telephone

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

Try another SIM card on your OPPO A74

Whenever the two previous steps do not give anything, it can be important to test a different SIM card to find out in the event that the trouble originates from the card. In fact, in the event that other SIM card function on the OPPO A74, it can be because the trouble originates from the card. Otherwise, it can be at the level of the telephone that we will have to look.

Check that your OPPO A74 is not Simlocker

In case you have tried many SIM cards on the OPPO A74 and none are recognized, the telephone may be Simlocker. It indicates that the OPPO A74 will recognize simply 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 internet that may do that.

Check that the problem doesn’t originate from the ROM installed on the OPPO A74

This part mainly concerns the people who root the OPPO A74 to install a ROM that is not original. Whenever this is actually what you have done, be aware that the unrecognized SIM card trouble is quite common after setting up fresh ROMs. We recommend that you reinstall an original ROM and re-test it.

Whenever nothing functions

Whenever all the above solutions do not work, we advise you to bring your OPPO A74 and the SIM card back to one of your operator’s shops.