LG Optimus F6 Guide De L'utilisateur page 346

Troubleshooting
Message
No
applications
can be set
Calls not
available
Phone
cannot be
switched on
108
Possible causes
Not supported by
service provider or
registration required.
Dialling error
New Micro SIM card
inserted.
Pre-paid charge limit
reached.
Power/Lock Key
pressed too briefly.
Battery is not
charged.
Possible corrective measures
Contact your service provider.
New network not authorized.
Check for new restrictions.
Contact service provider or reset limit
with PIN2.
Press the Power/Lock Key for at
least two seconds.
Charge battery. Check the charging
indicator on the display.