SIEMENS

IMEI number:
* # 0 6 #

Software version: put off sim card and enter:
* # 0 6 # (and press LONG KEY)

Bonus screen: in phone booke:
+ 1 2 0 2 2 2 4 3 1 2 1

Net Monitor (S4 Power):
Menu 9 8, left SoftKey, 7 6 8 4 6 6 6, Red phone,Menu