You have just purchased an Zopo ZP720 and when you turn it on, it displays the following error message: SIM card not recognized. At times the Zopo ZP720 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the Zopo ZP720 directly back. In truth, there are several tricks to fix this problem. We will consequently see in this content, what are the stuff to do and confirm in order that the SIM card is recognized on your Zopo ZP720.
How to proceed when ever the SIM card is not recognized on my Zopo ZP720
If the SIM card is not recognized on your Zopo ZP720, below is a list of stuff that will help you discover the source of the problem, see repairing the problem.
Clean SIM card
One of the first stuff to do if the SIM card is not recognized on your Zopo ZP720 is to wash it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the cellphone. 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 Zopo ZP720
At times the problem may sourced from the location 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 bit relaxed. When this is the case, this prevents the Zopo ZP720 from reading the SIM card. To fix this problem, you just have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on another phone
To find out if the problem originates from the SIM card, you can test it on another phone and you will have your answer. When it is not recognized on other devices, you can change the SIM card.
Try another SIM card on your Zopo ZP720
If the two previous steps do not give anything, it is required to test another SIM card to find out in the event that the problem originates from the card. In truth, in the event that other SIM card function on the Zopo ZP720, it is because the problem originates from the card. Otherwise, it is at the level of the phone that we will have to look.
Check that your Zopo ZP720 is not Simlocker
When you have tried several SIM cards on the Zopo ZP720 and none are recognized, the phone might be Simlocker. This implies that the Zopo ZP720 will recognize simply 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 will do that.
Check that the problem will not sourced from the ROM installed on the Zopo ZP720
This part mainly concerns the people who root the Zopo ZP720 to install a ROM that is not original. If this is actually what you have carried out, be aware that the unrecognized SIM card problem is quite common after setting up new ROMs. We highly recommend that you reinstall an original ROM and re-test it.
If nothing functions
If all the above solutions do not work, we recommend you to bring your Zopo ZP720 and the SIM card back to 1 of your operator’s shops.
