Sagem Secret Codes
Press menu then * for secret
menu

IMEI number:
511,#

Flash eprom menu:

511,#

SP unblock menu:

511,#

To enter extended secret menu
on Sagem just type last 7
numbers of IMEI and * on the
end then Ok.

Now enter secret
menu and you will see
RAM,Network and test network
submenus added.

To switch silent mode on simply
press and hold *