91
Message
Possible causes
Possible corrective measures
No
applications
can be set
Not supported by
service provider
or registration
required.
Contact your service provider.
Calls not
available
Dialling error
New network not authorized.
New SIM card
inserted.
Check for new restrictions.
Pre-paid charge
limit reached.
Contact service provider or reset limit
with PIN2.
Phone
cannot be
switched on
On/Off key
pressed too briefly.
Press the On/Off key for at least two
seconds.
Battery is not
charged.
Charge battery. Check the charging
indicator on the display.
