Why can't the mobile phone go out, make a phone call or send a text message, obviously?

1. If the phone can't answer the incoming call, you can troubleshoot it in the following ways:

(1) Check whether the mobile phone is in arrears, and suggest paying for recharging;

(2) Check whether the mobile phone is set with call forwarding, flight mode on, call barring, etc. Suggest canceling and try again;

(3) Check whether the function or signal of the mobile phone is normal, and suggest to change the mobile phone or try again;

(4) If it cannot be used in other places, it is recommended to check whether the local network signal is normal;

(5) After trying to restart or replace the mobile phone, see if you can answer the phone;

(6) If (6) there is something wrong with the 6)SIM card, you can take the mobile phone card to the local business hall for testing or replacement.

2. If the mobile phone can't send short messages, try to change the mobile phone for a test to see if there are any of the following situations:

(1) The SMS center number is set incorrectly. Please reset the correct SMS center number.

(2) No signal or insufficient battery power;

(3) The mobile phone shields the short message sending function;

(4) blacklisted by SMS;

(5) Insufficient quantity balance.

3. If the problem cannot be solved after self-help troubleshooting, it is recommended to contact local manual customer service to assist in verification and handling.