F107 User Manual
81
Problem Possible
causes Possible
solution
a base station.
Doing so
consumes battery
power and will
consequently
shorten standby
time.
Cannot
switch your
phone on
Battery power has
been depleted.
Recharge the
phone’s battery.
USIM card
malfunction or
damage.
Take the USIM
card to your
service provider
for testing.
USIM card
error
USIM card
inserted
improperly.
Insert the USIM
card properly.
Summary of Contents for F107
Page 1: ...F107 UMTS GSM GPRS Mobile Phone User Manual ...
Page 20: ...20 ...
Page 21: ...F107 User Manual 21 ...