SoftBank 820P User Manual page 261

If you did not find the remedy to your problem here, please contact SoftBank Customer Center (ZP.17-40).
Warning Signs
Problem
appears
appears
appears
Low battery message appears and
battery alarm tone sounds
Handset is out-of-range.
Move to a location where signal is strong.
Keyguard is locked (ZP.10-4).
Unlock Keyguard to use keys. Answer calls even if Keyguard is locked.
Password Lock is active (ZP.10-4).
Enter Password/cancel Password Lock to use handset. Answer calls even if Password Lock is
active.
Battery is low (ZP.1-8).
Charge or replace battery.
Causes and Remedies
17
17-17