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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 the charger and try to switch the mobile
on.
The display shows BLOCKED when
you switch on the phone
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 idle
screen
Long press the hang-up 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 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