LG C399 Guide De L'utilisateur page 64

Symptom
Calls not available
Phone cannot
be switched on
28
Possible causes
Dialing error New SIM card inserted Prepaid
Charge limit reached
On/Off key pressed too briefly.
Battery is not charged.
Battery contacts are dirty.
Possible Corrective measures
New network not authorized.
Check for new restrictions.
Contact Service Provider or reset limit with
PIN 2.
Press On/Off key for at least two seconds.
Charge battery. Check charging indicator in
the display.
Clean the battery contacts.