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20.3 Troubleshooting
In case of any anomaly during the operation of mobile phone, please refer to the following table to solve
the failures. If the failures cannot solved, please get contact with the dealer or service provider.
FAQ
The network service provider does not
It cannot connect
provide the service or you have not applied
to Internet when
for the service
using the wireless
Internet service
You have not set it correctly
SIM Card is damaged
SIM Card fault
SIM Card is not loaded correctly
SIM Card metal surface is dirty
Radio wave cannot be effectively transmitted
when the mobile phone is used in the place
with poor receiving effect, like high-rise or
Poor reception
basement
Use the mobile phone during the call
intensive period with busy services
Startup failure
Battery power runs out
Failure to make
Call barring feature is enabled
calls
SIM Card is null and void
Failure to connect
Out of the GSM service zone
to Internet
Signals are weak
Inconformity of voltage and the nominal
charger voltage
Failure to charge
Non-standard charger is used
Poor contact
Causes
46
Solutions
Please contact with your network service
provider to ask how to apply and use the
service
Please refer to the introduction of wireless
Internet service
Contact with your network service provider
Examine the SIM Card
Wipe with clean cloth
Make or answer calls in place with sound
signals
Never use the mobile phone during busy
hours
Replace with new battery
Cancel the call barring feature
Contact with your network service provider
Move to the service zone of network
service provider
Try in the place with stronger signals
Please apply the voltage in compliance
with the nominal charger voltage
Please use the charger specially designed
for this mobile phone
Examine if the plug is connected well
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