Why can't the mobile phone send short messages? The mobile phone is gionee's A 109.

1, SMS → More → Settings → SMS service center → Set it as the local accurate SMS center number (please consult the network operator or family and friends around you);

2, restart, change the SIM card and then observe;

3. Back up important data and restore factory settings;

4. If the above methods are still ineffective, take the purchase invoice and warranty card and send the mobile phone to the local area for testing and handling by professional engineers.