Codes for Nokia phones

Code	Function
*#0000# or *#999#	Display software version
*#7780#	Reset all settings, then enter the special code (12345 by default).
*#7370# or *#62209526#	Hard reset: reset all settings and erase all data, then enter the special code (12345 by default).
*#92702689#	Service Menu
*#746025625#	Shows if the "sim clock stop allowed" mode is supported and activated. This is an energy saving feature.
*#67705646#	erase provider logo
*#7370925538#	erase suitcase (including password)
*#2820#	display Bluetooth device address
*#62209526#	display MAC device address (only for devices with WLAN/WiFi)
##634#	Start diagnostic tool (windows phones)

press # long	turn on/off profile silent
press * long	turn on/off Bluetooth (only E models)