LG P880 User Manual page 116

Utilities
Press the Menu
screen, and select Settings > Security and
select the check box. And after enabling
encryption, To restore synchronised organizer
data, you must have an activation password.
114
from the Backup
NOTE:
You can also enable automatic delete
old backups and only keep the most
recent backup. Press the Menu
from the Backup screen, and select
Settings > Scheduled backup >
Auto delete old backups to select
the number of scheduled backups
to keep.