Most Useful All Mobile Codes

Codes working with most of cell phones

These code should work with most cell phones. Some may not be usable depending on the provider.

Code	Function
press 1 for longer than aone second	Dial mailbox number (mailbox number must bve specified in the settings)
press # for longer than one seconds	Activate/deactivate silent profile
*#06#	Display the IMEI (International Mobile Equipment Identity)
#31#[number][dial]	Dial with own number being not displayed (replace [number] with the number to dial)
*31#[number][dial]	Dial with own number being dispalyed (replace [number] with the number to dial)
*#33*[dial]	Show status call locks
*43#[dial]	Turn on tall waiting
#43#[dial]	Turn off call waiting
*#43#[dial]	Show status of call waiting
*135#[dia]	Request own number (often does not work)
**04*[old Pin]*[new Pin]*[new Pin]#	Change Pin (do not enter [ and ])
**05*[PUK]*[neue Pin]*[neue Pin]#	Unlock Pin (do not enter [ and ])
**042*[old Pin2]*[new Pin2]*[new Pin2]#	Change Pin2 (do not enter [ and ])
**052*[PUK]*[new Pin2]*[new Pin2]#	Unlock Pin2 (do not enter [ and ])
*#0000#	Display Software Version (Nokia and Samsung devices)