Code Function Device
*#06# IMEI number Android and Iphone
*#30# Hide Identity Iphone
##4636## Statistics and secret menu Android and Motorola flip phone
33# Disable out going calls Iphone
33pin# Inable outgoing calls Iphone
##7780## Reset to factory settings(irreversable) Android
27673855# Remove all settings/reinstall firmware Android
(Irreversable)
*3370# Improves quality of communication
drains battery sooner Iphone
#3370# deactivate
##8351## Record phone calls Android
#50057672# Service center number Iphone
##7594## Turn off phone Android
*43# call Call waiting Iphone
#43# Recind call waiting
*#0011# Quick access to your service menu Samsung Galaxie
3001#12345# Numeric signal mode Iphone
Hold power
3001#12345# Undo numeric mode-
Home button.
Home button.
*#21# Call forwarding mode Iphone
*#21# Undue call forwarding
#31# ph no. Hide outgoing calls Iphone and Android
Source of above information:
