Nokia 8310 - Keypad lock (Keyguard)

PAGE 25 (28) Approved 2.0
Nokia Mobile Phones Customer Care E&A SQX 00288-en MWy
Technical Services Repair Concepts
Confidential
01.10.2001
5.12 CLOCK/DATE DISAPPEAR
Clock/Date
disappear when
changing battery
Full battery
has to be
connected with
phone at least
10 min.
ok ?
Change
RTC-Battery
ok ?
Send to
Service Center
END
Yes
No
No Yes
Set the time
and then
change battery
Service Manual 8310 Level 2 Copyright 2001 © Nokia Mobile Phones