*#06# – Get the Serial Number/IMEI.
*#0000# – Get the SW version (e.g. V 5.27.0 / 28-06-04 / NHL-10 )
*#2820# – Get the Bluetooth (BT) device address
xx# – Quick contact access (xx = location number, e.g. : 17#)
When switching the phone on with the “ABC” key (pen) pressed, no application
is started, it’s a “safeboot”.
WARNING : here is the list of some dangerous codes; use them with care, I’m
not responsible for any damage …
*#7370925538# (*#Res0Wallet#) – Deletes the code for the “wallet” and erase
all the content of the “wallet”
*#7780# – Reset to the original settings; some informations are also deleted
and need to be re-entered.
*#7370# – Soft format – this will resets all the phone memory (like
re-format a disk); make sure to have full battery charged !
[Green]+[def3]+[*+] during a power on performs a hard format : this will
return the phone like you have received; make sure to have full battery