OnePlus 9 Pro: Unrecognized SIM card

You have just acquired an OnePlus 9 Pro and when you turn it on, it displays the following error message: SIM card not recognized. Oftentimes the OnePlus 9 Pro does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the OnePlus 9 Pro directly back. In truth, there are several tips to fix this problem. We will consequently observe in this tuto, what are the stuff to do and verify in order that the SIM card is recognized on your OnePlus 9 Pro.unrecognized-sim-card-oneplus-9-pro

What to do when the SIM card is not recognized on my OnePlus 9 Pro

In the event that the SIM card is not recognized on your OnePlus 9 Pro, below is a list of stuff that can help you determine the source of the problem, observe repairing the problem.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your OnePlus 9 Pro is to clean it up. In fact, it may happen that dirt partially prevents the contact between the SIM card and the mobile 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 OnePlus 9 Pro

Oftentimes the problem may sourced from the location of the SIM card. In fact, it often happens 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 OnePlus 9 Pro from reading the SIM card. To fix this problem, 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 smartphone

To find out if the problem originates from the SIM card, you’re able to test it on a different phone and you will have your answer. When it is not recognized on other devices, you’re able to modify the SIM card.

Try another SIM card on your OnePlus 9 Pro

In the event that the two previous steps do not give anything, it’s important to test a different SIM card to find out in the event that the problem originates from the card. In truth, in the event that other SIM card work on the OnePlus 9 Pro, it’s because the problem originates from the card. Otherwise, it’s at the level of the smartphone that we will have to look.

Verify that your OnePlus 9 Pro is not Simlocker

In case you have tried several SIM cards on the OnePlus 9 Pro and none are recognized, the smartphone could be Simlocker. This implies that the OnePlus 9 Pro will recognize only the SIM card of a specific operator. In this case, you have to unlock it. You will find without a hassle a lot of provide on the internet that can do that.

Check that the problem does not sourced from the ROM installed on the OnePlus 9 Pro

This part mainly concerns the people who root the OnePlus 9 Pro to install a ROM that is not initial. In the event that this is actually what you have carried out, be aware that the unrecognized SIM card problem is quite common after setting up fresh ROMs. We advise that you reinstall an initial ROM and re-test it.

In the event that nothing works

In the event that all the above solutions do not work, we recommend you to bring your OnePlus 9 Pro and the SIM card back to one of your operator’s shops.