User's Manual

77
Unable to
charge the
battery
1. The battery may
dischargetoomuch;
so it cannot be
charged until it is
connected for
certaintime.
2. Its performance has
worsened.
Unable to
register to the
network
1. Too weak signals or
stronginterference.
2. SIM card installed
properly? Bad
contact or SIM card
damaged? If the
SIM card is broken,
please contact the
networkoperatorto
replaceit.
Photos taken
aretoodark
1. Check if the too low
photo brightness is
set.
2. Checkifambientray
istoodark.