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Troubleshooting
The phone does not switch on
Remove/reinstall the battery. Then charge the phone
until the battery icon stops scrolling. Unplug from
charger and try to switch the mobile on.
The display shows BLOCKED when you
switch on
Somebody tried to use your phone but didn't know
the PIN code nor the unblocking code (PUK).
Contact your service provider.
The display shows IMSI failure
This problem is related to your subscription. Contact
your operator.
Your phone doesn't return to the idle
screen
Long press the hangup key or switch off the phone,
check that the SIM card and the battery are installed
correctly and switch it on again.
The network symbol is not displayed
The network connection is lost. Either you are in a
radio shadow (in a tunnel or between tall buildings) or
you are outside the network coverage area. Try from
another place, try to reconnect to the network
(especially when abroad), check that the antenna is in
62
place if your mobile has an external antenna, or
contact your network operator for assistance/
information.
The display doesn't respond (or the display
responds slowly) to key presses
The display responds more slowly at very low
temperatures. This is normal and does not affect the
operation of the phone. Take the phone to a warmer
place and try again. In other cases please contact your
phone supplier.
Your battery seems to over heat
You might be using a charger that was not intended
for your phone. Make sure you always use the Philips
authentic accessory shipped with your phone.
Your phone doesn't display the phone
numbers of incoming calls
This feature is network and subscription dependent.
If the network doesn't send the caller's number, the
phone will display
Call 1
your operator for detailed information on this subject.
You can't send text messages
Some networks don't allow message exchanges with
other networks. First check that you entered the
number of your SMS centre, or contact your operator
for detailed information on this subject.
or
Withheld
instead. Contact
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