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Poor signals
Check the signal strength icon on
the screen. If the icon contains 4
bars, it indicates the signal is the
strongest; if below 1 bars, it
indicates the signal is very poor.
Unable to dial out
1.
Maybe you have set Hide My
Caller ID but your network
operator does not provide
this service for you.
2.
Strong interference exists
around you.
3.
Maybe you have activated
the call restriction function.
4.
Maybe you have activated
Line 2 but your network
operator does not provide
this service for you.
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.