You have just purchased an Oppo A1k and when you turn it on, it displays the following error text: SIM card not recognized. Sometimes the Oppo A1k does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily necessary to bring the Oppo A1k directly back. In truth, there are a lot of techniques to solve this trouble. We will therefore observe in this tuto, what are the stuff to do and verify to ensure that the SIM card is recognized on your Oppo A1k.
What to do when the SIM card is not recognized on my Oppo A1k
In the event that the SIM card is not recognized on your Oppo A1k, below is a list of stuff which could 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 A1k is to clean it up. Actually, it might 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 tracking of the SIM card on your Oppo A1k
Sometimes the trouble might come from the tracking 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 A1k from reading the SIM card. To solve this trouble, you just simply 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 phone
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 modify the SIM card.
Try another SIM card on your Oppo A1k
In the event that the two previous steps do not give anything, it’s necessary to test a different SIM card to find out whenever the trouble originates from the card. In truth, whenever other SIM card function on the Oppo A1k, it’s because the trouble originates from the card. Otherwise, it’s at the level of the phone that we will have to look.
Check that your Oppo A1k is not Simlocker
In case you have tried a lot of SIM cards on the Oppo A1k and none are recognized, the phone may perhaps be Simlocker. It indicates that the Oppo A1k will recognize only the SIM card of a specific operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of provide on the web which could do that.
Check that the problem will not come from the ROM installed on the Oppo A1k
This part mainly concerns the people who root the Oppo A1k to install a ROM that is not initial. In the event that this is actually what you have done, be aware that the unrecognized SIM card trouble is quite common after setting up fresh ROMs. We highly recommend that you reinstall an initial ROM and re-test it.
In the event that nothing functions
In the event that all the above solutions do not work, we advise you to bring your Oppo A1k and the SIM card back to one of your operator’s shops.