Two, such as other Unicom users mobile phone signal is normal, can be eliminated by the following methods:
Method 1: Turn on the airplane mode, then turn off or restart the phone and try again.
Method 2: Change the mobile phone to change the card test, that is, change the mobile phone card to the mobile phone of family or friends and try again.
Tips:
If there is a general problem with other users' cell phone signals, it may be that there is a problem with the base station nearby. You can click /qAHfS for feedback, and we will check and handle it as soon as possible.