OnePlus 7: Unrecognized SIM card

You have just bought an OnePlus 7 and when you turn it on, it displays the following error message: SIM card not recognized. Sometimes the OnePlus 7 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the OnePlus 7 directly back. In truth, there are several techniques to fix this issue. We will therefore observe in this content, what are the things to do and confirm to ensure that the SIM card is recognized on your OnePlus 7.unrecognized-sim-card-OnePlus-7

What to do when the SIM card is not recognized on my OnePlus 7

Whenever the SIM card is not recognized on your OnePlus 7, below is a list of things that can help you identify the source of the issue, observe repairing the issue.

Clean SIM card

One of the first things to do if the SIM card is not recognized on your OnePlus 7 is to clean it up. Actually, it might 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 OnePlus 7

Sometimes the issue might result from the location of the SIM card. Actually, it often happens that small 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 7 from reading the SIM card. To fix this issue, you just simply have to thicken the SIM a little by gluing one or two pieces of tape at the back.

Test the SIM card on another telephone

To find out if the issue comes from the SIM card, you may test it on another phone and you will have your answer. When it is not recognized on other devices, you may modify the SIM card.

Try another SIM card on your OnePlus 7

Whenever the two previous steps do not give anything, it is necessary to test another SIM card to find out in cases where the issue comes from the card. In truth, in cases where other SIM card function on the OnePlus 7, it is because the issue comes from the card. Otherwise, it is at the level of the telephone that we will have to look.

Check that your OnePlus 7 is not Simlocker

In case you have tried several SIM cards on the OnePlus 7 and non-e are recognized, the telephone may be Simlocker. This implies that the OnePlus 7 will recognize simply 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 net that can do that.

Check that the problem does not result from the ROM installed on the OnePlus 7

This part mainly concerns the people who root the OnePlus 7 to install a ROM that is not initial. Whenever this is actually what you have completed, be aware that the unrecognized SIM card issue is quite common after setting up fresh ROMs. We advise that you reinstall an initial ROM and re-test it.

Whenever nothing works

Whenever all the above solutions do not work, we advise you to bring your OnePlus 7 and the SIM card back to one of your operator’s shops.