To see speed, voltage and battery temperature press *# 0228#
SIEMENS A35, A36, C25, C35, C45, S25, S35i
To see IMEI press *#06#
To change menu language:
Press *#0000# + SEND for menus in automatic language (defined by operator) Press *#0001# + SEND for menus in english Press *#0032# + SEND for menus in french Press *#0039# + SEND for menus in italian
To see/edit an entry in the phonebook press the then # (ex: 10#).
Siemens S40
To see IMEI press *#06#
To Access the engineering menu press *#36446337*8378#
