Hidden Functions (HOLD ALT)
Code Function
ALT+NMLL Changes the signal meter from the standard bars to a decibel display, entering the code again will revert back to the bars
ALT+LSHIFT+H The Techinical information menu, if you are trying to get support or help you will probably need the information displayed here
ALT+VALD Validates the address book, can only be used in the address book
ALT+RBLD Forces the address book to rebuild, can only be used in the address book
*#06# Displays the IMEI (home screen)
ALT+RBVS Used in the browser to view the page source code, useful if you are developing applications
ALT+LGLG Displays the devices event log, if you are struggling to get BES/BIS working the information here can be very useful
ALT+SHIFT+DEL Soft reset a blackberry device, this is not a format or hard reset. Just a reboot


Smart System Codes (Type these in a message box for example while composing a new e-mail)
Code Function
MYVER Displays the Software Version and Model Number of the device
LD Local Date is displayed
LT Local Time is displayed
MYSIQ Displays the device owner information
MYPIN Device PIN is displayed
Other Codes
Code Function
ALT+LEFTCAPS Displays the Language Selection Screen
LOLO Use on the Date/Time screen to display the network date and time
ALT+VIEW Displays the ID’s in the messages menu
ALT+THMN Use in the themes menu to disable themes
ALT+THMD Use in the theme menu to return to the default blackberry theme
ALT+SMON Enables the simulated WLAN wizard (WLAN Menu)
ALT+SMOF Disables the simulated WLAN wizard (WLAN Menu)
BUYR Display data and voice usage, enter at the status screen (options>status)
TEST Performs a full device test, enter at the status screen (options>status)
Sim Card Shortcuts (no ALT required, found under Options>Advanced>Sim Card)
Code Function
MEP1 Enable/Disable Sim personalization
MEP2 Enable/Disable Network personalization
MEP3 Enable/Disable Network subset personalization
MEP4 Enable/Disable Service provider personalization
MEP5 Enable/Disable Corporate personalization
MEPD MEP Information Display – Shows Status
A lot of the Blackberry Secret codes are actually shortcuts to the hidden menu areas that people are simply not aware of.