What factors can cause SIM card registration failed? What shall I do then?

First of all, arrears will not cause the SIM card failed to register, no matter how much your arrears is. There are several reasons which can cause SIM card registration failed.

For example, your phone drop off the ground, it could cause SIM card shock that would cause the registration failed. Or the SIM card has been using for a long time. Under these conditions, you can restart your phone or take down the SIM card and clean the surface up. You’d better rub the surface with a good eraser. This is the most common factor that causes your SIM card registration failed.

Second, the worst news is that your SIM card burned out. There are many reasons can result in this, the most common is you take off the battery before your phone is power off. The test method is put the SIM card into other phone.

Third, card reading problems, especially the smuggled phones and new phones that often have this problem.

Reported by China SIM Card,China Cell Phone Rental,Shanghai Travel