If you are thinking of sending your phone for repair, check these easy steps first. They may fix the issue and save your time and effort.
Easy fix 1: Restart your phone
Switch your phone off and take the battery out. Wait a few seconds put the battery in and switch your phone on.
Easy fix 2 : Charge your phone
Charge the battery
1. Plug the charger to a wall outlet.
2. Connect the charger to the phone.
3. When the phone indicates a full charge, disconnect the charger from the phone then from the wall outlet.
If the battery is completely discharged it may take several minutes before the charging indicator is shown or before you can make any calls.
If the battery has not been used for a long time, to begin charging, you may need to connect the charger then disconnect and reconnect it.