You have just acquired an Oppo A9x and when you turn it on, it displays the following error text message: SIM card not recognized. Sometimes the Oppo A9x does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Oppo A9x directly back. Indeed, there are a lot of techniques to fix this trouble. We will consequently see in this tuto, what are the stuff to do and check so that the SIM card is recognized on your Oppo A9x.
What to do when ever the SIM card is not recognized on my Oppo A9x
If the SIM card is not recognized on your Oppo A9x, below is a list of stuff that may help you discover the source of the trouble, see repairing the trouble.
Clean SIM card
One of the first stuff to do if the SIM card is not recognized on your Oppo A9x is to wash it up. Actually, it may happen that dirt partially prevents the contact between the SIM card and the cellphone. 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 A9x
Sometimes the trouble may be caused by the location of the SIM card. Actually, it often occurs that small 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 A9x 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 cellphone
To find out if the trouble originates from the SIM card, you can actually test it on a different phone and you will have your answer. When it is not recognized on other devices, you can actually change the SIM card.
Try another SIM card on your Oppo A9x
If the two previous steps do not give anything, it is actually required 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 A9x, it is actually because the trouble originates from the card. Otherwise, it is actually at the level of the cellphone that we will have to look.
Confirm that your Oppo A9x is not Simlocker
If you have tried a lot of SIM cards on the Oppo A9x and non-e are recognized, the cellphone could possibly be Simlocker. This means that the Oppo A9x will recognize just 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 web that may do that.
Check that the problem doesn’t be caused by the ROM installed on the Oppo A9x
This part mainly concerns the people who root the Oppo A9x to install a ROM that is not initial. If this is actually what you have done, be aware that the unrecognized SIM card trouble is quite common after setting up new ROMs. We advise that you reinstall an initial ROM and re-test it.
If nothing works
If all the above solutions do not work, we recommend you to bring your Oppo A9x and the SIM card back to one of your operator’s shops.
