If the mobile phone cannot access the Internet normally, you can troubleshoot according to the following situations:
Situation 1: The SIM card has insufficient contact with the metal contacts of the mobile phone. You can re-insert the SIM card and try.
Situation 2: The SIM card is damaged or there is a problem with the phone. You can change the phone and test to see if it is the SIM card or the phone that is faulty.
Situation 3: The current location is a signal blind area or there is suddenly no signal. You can change the place to test and pay attention to whether the mobile phone signals of other users around you are normal.
Situation 4: The mobile phone card is in arrears and is shut down. You can pay off the arrears and turn on the phone.
Situation 5: The number is used abnormally and the service is suspended. For example, the number is used for illegal or illegal activities, etc.
Case 6: When roaming in Taiwan, Hong Kong, Macao or abroad, you need to activate the roaming function in Taiwan, Hong Kong and Macao and international roaming before you can use it.
Scenario 7: The total traffic generated by the Internet in the current month reaches the traffic cap of the package. The system automatically turns off the Internet function or limits the speed of the network. It will be automatically restored the next month. The specific traffic cap rules of your package shall prevail.