User's Manual

61
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 power key or switch off
the phone, check that the SIM card
and the battery are installed
correctly and switch it on again.
The
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 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.