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106
This chapter lists some problems you might encounter while using
your phone. Some problems require you to call your service provider,
but most are easy to correct yourself.
Message Possible causes Possible Corrective Measures
SIM error
There is no SIM card
in the phone or it is
inserted incorrectly.
Make sure that the SIM card is correctly
inserted.
No network
connection/
Losing network
Weak Signal outside of
Cellular network area.
Operator applied new
services
Move towards a window or into an
open area. Check the network operator
coverage map.Check if the SIM card is
older than 6~12 months.
If so, change your SIM at your network
provider’s nearest branch.
Codes do not
match
To change a security
code, you will need to
confirm the new code by
entering it again.
The two codes you have
entered do not match.
The default code is [0000]. If you forget
the code, contact your service provider.
Any application
cannot be set
Not supported by service
provider or registration
required
Contact your service provider.
Calls not
available
Dialling error
New SIM card inserted
Prepaid Charge limit
reached
New network not authorised.
Check for new restrictions.
Contact service provider or reset limit
with PIN 2.
Troubleshooting
Ph
be
C
h
Nu
pe
Imp
rec
& P
File
SD
wo
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