You have just bought an Oppo R11 and when you turn it on, it displays the following error text message: SIM card not recognized. At times the Oppo R11 does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the Oppo R11 directly back. In truth, there are several methods to solve this problem. We will consequently find out in this article, what are the stuff to do and confirm to ensure the SIM card is recognized on your Oppo R11.
How to proceed when the SIM card is not recognized on my Oppo R11
If perhaps the SIM card is not recognized on your Oppo R11, below is a list of stuff that could help you identify the source of the problem, find out repairing the problem.
Clean SIM card
One of the first stuff to do if the SIM card is not recognized on your Oppo R11 is to clean it up. Actually, it may possibly happen that dirt partially prevents the contact between the SIM card and the 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 Oppo R11
At times the problem may possibly originate from the location of the SIM card. Actually, it often happens that tiny metal plugs that most of the time have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the Oppo R11 from reading the SIM card. To solve this problem, 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 a different smartphone
To find out if the problem comes from the SIM card, you may test it on a different 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 Oppo R11
If perhaps the two previous steps do not give anything, it is actually required to test a different SIM card to find out in cases where the problem comes from the card. In truth, in cases where other SIM card work on the Oppo R11, it is actually because the problem comes from the card. Otherwise, it is actually at the level of the smartphone that we will have to look.
Verify that your Oppo R11 is not Simlocker
In case you have tried several SIM cards on the Oppo R11 and non-e are recognized, the smartphone may perhaps be Simlocker. It indicates that the Oppo R11 will recognize just the SIM card of a certain operator. In this case, you have to unlock it. You will find without a hassle a lot of provide on the web that could do that.
Check that the problem will not originate from the ROM installed on the Oppo R11
This part mainly concerns the people who root the Oppo R11 to install a ROM that is not original. If perhaps 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 recommend that you reinstall an original ROM and re-test it.
If perhaps nothing functions
If perhaps all the above solutions do not work, we advise you to bring your Oppo R11 and the SIM card back to one of your operator’s shops.
