OPPO F3: Unrecognized SIM card

You have just purchased an OPPO F3 and when you turn it on, it displays the following error message: SIM card not recognized. At times the OPPO F3 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily important to bring the OPPO F3 directly back. In truth, there are several methods to fix this issue. We will consequently discover in this content, what are the stuff to do and verify to ensure the SIM card is recognized on your OPPO F3.unrecognized-sim-card-oppo-f3

What to do when the SIM card is not recognized on my OPPO F3

In cases where the SIM card is not recognized on your OPPO F3, below is a list of stuff that can help you discover the source of the issue, discover repairing the issue.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your OPPO F3 is to wash it up. In truth, 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 tracking of the SIM card on your OPPO F3

At times the issue may result from the tracking of the SIM card. In truth, it often happens 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 F3 from reading the SIM card. To fix this issue, you 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 cellphone

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

Try another SIM card on your OPPO F3

In cases where the two previous steps do not give anything, it truly is important to test another SIM card to find out whenever the issue comes from the card. In truth, whenever other SIM card work on the OPPO F3, it truly is because the issue comes from the card. Otherwise, it truly is at the level of the cellphone that we will have to look.

Confirm that your OPPO F3 is not Simlocker

If you have tried several SIM cards on the OPPO F3 and none are recognized, the cellphone could be Simlocker. This implies that the OPPO F3 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 that can do that.

Check that the problem doesn’t result from the ROM installed on the OPPO F3

This part mainly concerns the people who root the OPPO F3 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 issue is quite common after installing new ROMs. We advise 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 OPPO F3 and the SIM card back to one of your operator’s shops.