Tips & tricks for mobile phones
Here you find some so called GSM codes and shortcuts for your phone. Some may work with your phone, some may not.
Mobile Phone Quick Code / GSM Code
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) |
Codes for charges:
| Codes | Function |
| *100#[Dial] | Request number and balance (Prepaid) |
| *101#[Dial] | Request number and balance (Prepaid) |
SMS:
Send SMS delayed:
Enter at the start of the SMS the text
*Later [seconds]#
and replace [secconds] with a number e.g. 10 for 10 seconds
Examplel:
*Later 30#Hello see you soon
*Later [seconds]#
and replace [secconds] with a number e.g. 10 for 10 seconds
Examplel:
*Later 30#Hello see you soon
Do not forget the space between later and the seconds!
This does not work with all providers.
This does not work with all providers.
Code For Call diversion
Call diversion when busy:
| Code | Funktion |
| **67*number# | Divert to the given number |
| #67# | deactivate call diversion |
| ##67# | Erase call diversion |
| *#67# | Request status for call diversion |
Call diversion in case the handset is turned off or has not coverage:
| Code | Function |
| **62*number# | Divert to the given number |
| #62# | deactivate call diversion |
| ##62# | Erase call diversion |
| *#62# | Request status for call diversion |
Call diversion for not responding
| Code | Function |
| **61*number**x# | Divert to the given number aber x seconds (x=5,10,15,20,25,30) |
| #61# | Deactivate call diversion |
| ##61# | Erase call diversion |
| *#61# | Request status of call diversion |
Call diversion for all conditions above:
| Code | Function |
| *#004*number# | Divert to the given number |
| #004# | Deactivate call diversion |
| ##004# | Erase call diversion |
| *#004# | Request status for call diversion |
Always divert:
| Code | Function |
| *#21*number# | Always divert to given number |
| #21# | Deactivate call diversion |
| ##21# | Erase call diversion |
| *#21# | Request status for call diversion |
Erase all call diversions:
| Code | Function |
| ##002#[dial] | Remove all call diversions |
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) |
Codes for Samsung phones
| Code | Function |
| *#1111# | Display software version |
| *#1234# | Display firmware version |
| *#2222# | Display hardware version |
| *2767*3855# | Reset: delete all data and reset all settings |
| *#0*# | Test/service mode, e.g. Galaxy S3 mini |
| *#*#4636'*'* | Test/service mode, e.g. Galaxy S2 |
Shortcuts and tricks for Sony Ericsson Handys
Shortcuts in the menus:
You can directly open the n-th menu item by pressing the key 1-9, e.g. to open the 4th menu item, just press 4.
In the main menu (only when displayed as grid, which is the default), the grid layout is the layout for the keys. E.g. for the item at the top left press '1', for the settings (bottom right) press #.
To changed the phones language e.g. you can press: menu # 3 1.
Navigation in the calendar:
| Key | Function |
| 1 | previous week |
| 3 | next week |
| 4 | previous month |
| 6 | next month |
| 7 | previous year |
| 9 | next year |
The keys above can be used in the month and week view.
Service Menu
In the standby screen press this key sequence:
>*<<*<*
with < and > are left and right of the joystick and * is *.
Swap first and last name in the address book/sort by last or first name:
Got to the address book and select: Options->More->Advanced->Sort order:
Here you can select by first or by last name.
Here you can select by first or by last name.
Miscellaneous
| Keys | Function |
| 0# | Show call history |
Direct call to a users mailbox
You can call a mailbox direclty, e.g. in case you do not want to speak with the person or the user has turned the mail box off.
Enter the number between the area code and the subscriber number:
(These are the codes for Germany)
(These are the codes for Germany)
| Provider | Area codes | Mailbox code |
| T-Mobile | 0151 0160 0170 0171 0175 | 13 |
| Vodafone | 01520 01522 0162 0172 0172 0174 | 50 |
| E-Plus | 01570 01577 0163 0177 0178 | 99 |
| O2 | 0159 0176 0179 | 33 |
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