OPPO A16: Unrecognized SIM card

You have just purchased an OPPO A16 and when you turn it on, it displays the following error message: SIM card not recognized. From time to time the OPPO A16 does not recognize the SIM card and displays this message. In this case, it is not necessarily necessary to bring the OPPO A16 directly back. Certainly, there are a lot of tips to fix this issue. We will therefore observe in this article, what are the stuff to do and verify to ensure the SIM card is recognized on your OPPO A16.unrecognized-sim-card-oppo-a16

What to do when ever the SIM card is not recognized on my OPPO A16

In cases where the SIM card is not recognized on your OPPO A16, below is a list of stuff that may help you identify the source of the issue, observe repairing the issue.

Clean SIM card

One of the first stuff to do if the SIM card is not recognized on your OPPO A16 is to wash it up. In fact, it might happen that dirt partially prevents the contact between the SIM card and the smartphone. 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 A16

From time to time the issue might result from the tracking of the SIM card. In fact, it often happens that tiny metal plugs that normally have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the OPPO A16 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 a different cellphone

To find out if the issue comes from the SIM card, you’re able to test it on a different phone and you will have your answer. In case it is not recognized on other devices, you’re able to change the SIM card.

Try another SIM card on your OPPO A16

In cases where the two previous steps do not give anything, it is actually necessary to test a different SIM card to find out whenever the issue comes from the card. Certainly, whenever other SIM card work on the OPPO A16, it is actually because the issue comes from the card. Otherwise, it is actually at the level of the cellphone that we will have to look.

Confirm that your OPPO A16 is not Simlocker

In case you have tried a lot of SIM cards on the OPPO A16 and none are recognized, the cellphone may be Simlocker. This means that the OPPO A16 will recognize only 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 web that may do that.

Check that the problem doesn’t result from the ROM installed on the OPPO A16

This part mainly concerns the people who root the OPPO A16 to install a ROM that is not original. In cases where this is actually what you have done, be aware that the unrecognized SIM card issue is quite common after installing fresh ROMs. We recommend that you reinstall an original ROM and re-test it.

In cases where nothing functions

In cases where all the above solutions do not work, we recommend you to bring your OPPO A16 and the SIM card back to one of your operator’s shops.