You have just acquired an Oppo R7s and when you turn it on, it displays the following error text message: SIM card not recognized. Sometimes the Oppo R7s does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily necessary to bring the Oppo R7s directly back. In fact, there are several tips to solve this problem. We will consequently observe in this content, what are the stuff to do and verify to ensure the SIM card is recognized on your Oppo R7s.
What to do when ever the SIM card is not recognized on my Oppo R7s
If perhaps the SIM card is not recognized on your Oppo R7s, below is a list of stuff that could help you identify the source of the problem, observe repairing the problem.
Clean SIM card
One of the first stuff to do if the SIM card is not recognized on your Oppo R7s is to wash it up. In truth, it may 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 tracking of the SIM card on your Oppo R7s
Sometimes the problem may sourced from the tracking of the SIM card. In truth, it often occurs that small metal plugs that normally have to come in contact with the SIM card are a bit relaxed. When this is the case, this prevents the Oppo R7s from reading the SIM card. To solve this problem, you simply have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on a different cellphone
To find out if the problem originates from the SIM card, youre able to test it on a different phone and you will have your answer. In case it is not recognized on other devices, youre able to change the SIM card.
Try another SIM card on your Oppo R7s
If perhaps the two previous steps do not give anything, it is necessary to test a different SIM card to find out in cases where the problem originates from the card. In fact, in cases where other SIM card work on the Oppo R7s, it is because the problem originates from the card. Otherwise, it is at the level of the cellphone that we will have to look.
Verify that your Oppo R7s is not Simlocker
In case you have tried several SIM cards on the Oppo R7s and non-e are recognized, the cellphone could be Simlocker. It indicates that the Oppo R7s will recognize just the SIM card of a certain operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of offer on the web that could do that.
Check that the problem will not sourced from the ROM installed on the Oppo R7s
This part mainly concerns the people who root the Oppo R7s to install a ROM that is not initial. If perhaps this is actually what you have completed, be aware that the unrecognized SIM card problem is quite common after installing new ROMs. We recommend that you reinstall an initial ROM and re-test it.
If perhaps nothing works
If perhaps all the above solutions do not work, we recommend you to bring your Oppo R7s and the SIM card back to 1 of your operator’s shops.
