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Troubleshooting 157
Noises during a call
You may be near a strong
electromagnetic source
(such as a TV, a microwave
oven, etc.) during a call.
Move to another location to
reduce the interference
effects.
You cannot enable
certain call features
Your service provider does
not support these features,
or you have not applied for
services that provide these
features.
Contact your service
provider.
PIN Code is blocked
You have entered an
incorrect PIN code three
consecutive times.
Contact your service
provider. If the service
provider provides the SIM
card's PUK code, use the
PUK code to unlock the SIM
card.
System problems
Battery does not charge
The battery or battery
charger is damaged.
Contact the dealer.
The device’s temperature is
below 0°C or higher than
45°C.
Adjust the battery charging
environment to avoid
extreme temperatures.
Poor contact between the
battery and charger.
Check all connectors to
ensure that all connections
have been properly made.
Unable to turn the
device on.
The battery is empty. Charge the device.
The back cover has come
off.
Ensure that the back cover
is firmly secured to the
device.
The device system is
corrupted
See "If the device cannot
power on due to system
corruption, take either of
these recovery actions:" on
page 160 for solutions.
Battery contacts are not
clean.
Seek your dealer's help to
clean the contacts.
The device turns off
automatically
The back cover has come
off.
Ensure that the back cover
is firmly secured to the
device.
Problem Possible causes Possible solutions
bk0.book Page 157 Friday, November 19, 2010 12:24 PM