1, the cell phone signal is not good, try another area with good signal.

2. Check whether there is any phone bill in arrears. If there is arrears, users can resume normal use after paying.

3. If there is no arrears, please check whether the SIM card is faulty, reinstall the SIM card or replace it with a new one in the business hall.

4. If the data of the mobile phone is abnormal, you can try to restart it. If not, you can try to restore the settings. Go to phone settings-General/More settings-Restore factory settings-Restore all settings (without deleting any data of the phone).

The answer is for reference only. For more information about Anhui Telecom packages and services, please pay attention to the official account of Anhui Telecom WeChat.