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.
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.
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