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22 TROUBLESHOOTING
The phone cannot
be switched on
1. Is there any power in the battery?
2. Is the battery installed properly?
Battery cannot be
charged
1. Check if the charger is connected
to the phone properly.
2. Is the battery still usable?
The performance of the battery
will be reduced after several
years.
3. Is the battery completely
discharged?
The phone needs to be
connected to the charger for a
while before it has sufficient
charge to turn on.
Fails to register to
the network
1. The signal is too weak, or there
may be some radio interference
around. Check the signal
strength meter on the screen to
see whether vertical signal lines
are displayed.
2. Is the SIM card installed properly,
poorly contacted or damaged? If
the SIM card is damaged, please
ask your network provider for
replacement.
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