89
Unable
to
charge
the
battery
1.
The battery may
discharge too much;
so it cannot be
charged until it is
connected
for
certain time.
2.
Its performance has
worsened.
Unable
to
register to the
network
1.
Too weak signals or
strong interference.
2.
SIM card installed
properly?
Bad
contact or SIM card
damaged? If the
SIM card is broken,
please contact the
network operator to
replace it.
Photos taken
are too dark
1.
Check if the photo
brightness is set as
‘too low’.
2.
Check if ambient ray
is too dark.