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STK Life 7S | User Manual & Set up Guide
37
13
Troubleshooting
If you find exceptions when operating the mobile phone, restore the factory settings
and then refer to the following table to solve the problem. If the problem persists,
contact the distributor or service provider.
Fault
Possible
Cause
Solution
SIM
card
error
The SIM card is
damaged.
Contact your network service provider
The SIM card is not in
position.
Check the SIM card
The metal face of the
SIM card is polluted.
Clean the SIM card with a clean cloth
Poor
received
signal
quality
Signals are
obstructed. For
instance, radio waves
cannot be effectively
transmitted nearby a
high building or in a
basement.
Move to a place where signals can be effectively
transmitted
Line congestions
occur when you use
the mobile phone in
high-traffic hours
Avoid using the mobile phone in high-traffic hours
The mobile
phone
cannot be
powered on
The battery energy is
exhausted.
Charge the battery
Calls
cannot be
dialled
Call barring is
activated
Cancel call barring
Содержание Life 7S
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