You have just bought an OnePlus 3T and when you turn it on, it displays the following error text message: SIM card not recognized. Occasionally the OnePlus 3T does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the OnePlus 3T directly back. In truth, there are a lot of methods 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 OnePlus 3T.
How to proceed when ever the SIM card is not recognized on my OnePlus 3T
In cases where the SIM card is not recognized on your OnePlus 3T, below is a list of stuff that can help you determine 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 OnePlus 3T is to wash it up. In fact, it might happen that dirt partially prevents the contact between the SIM card and the smartphone. 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 3T
Occasionally the trouble might originate from the location of the SIM card. In fact, 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 OnePlus 3T 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, youre able to test it on a different phone and you will have your answer. When it is not recognized on other devices, youre able to change the SIM card.
Try another SIM card on your OnePlus 3T
In cases where the two previous steps do not give anything, it can be required to test a different SIM card to find out whenever the trouble originates from the card. In truth, whenever other SIM card work on the OnePlus 3T, it can be because the trouble originates from the card. Otherwise, it can be at the level of the cellphone that we will have to look.
Verify that your OnePlus 3T is not Simlocker
When you have tried a lot of SIM cards on the OnePlus 3T and non-e are recognized, the cellphone could be Simlocker. It indicates that the OnePlus 3T 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 provide on the web that can do that.
Check that the problem does not originate from the ROM installed on the OnePlus 3T
This part mainly concerns the people who root the OnePlus 3T to install a ROM that is not original. In cases where this is actually what you have carried out, be aware that the unrecognized SIM card trouble is quite common after setting up new ROMs. We suggest that you reinstall an original ROM and re-test it.
In cases where nothing works
In cases where all the above solutions do not work, we advise you to bring your OnePlus 3T and the SIM card back to one of your operator’s shops.
