HOT TO BREAK BLACKBERRY CODES

Description/purpose: Displays your signal strength in
decibels, instead of bars.
Process: Hold "Alt" and press "N", "M", "L", "L" (repeat
to reverse the effect).

Name: Address Book file verification.
Description/purpose: Checks the data in your Address
Book for inconsistencies.
Process: In the Address Book, hold "Alt" and press "V",
"A", "L", "D".

Name: Address Book data structure rebuild.
Description/purpose: Forces a data structure re-build
in the Address Book...
Process: In the Address Book, hold "Alt" and press "R",
"B", "L", "D".

Name: View source code.
Description/purpose: Displays the source code of a
Web page.
Process: In the Browser, hold "Alt" and press "R", "B",
"V", "S".

Name: Help Me! menu.
Description/purpose: Provides crucial technical
information about your device, for when seeking technical
support or help in forums...
Process: Hold "Alt" and (left) "shift", then press "H".

Name: IMEI display.
Description/purpose: Displays your device's
international mobile equipment identity (IMEI - your serial
number) on-screen... Also works from all other GSM
handsets.
Process: Type "*", "#", "0", "6", "#" on the Home
screen.

Name: "Soft" reset.
Description/purpose: Performs a "soft" reset of your
device; the equivalent of doing a "battery pull" (ie. Removing
the battery for a few seconds).
Process: Press-and-hold "Alt", then press-and-hold
(left) "shift", then press-and-hold "Del".

Name: Event Log.
Purpose: Displays event logs of all the system-level
events that occur on your device...
Process: Hold "Alt" and press "L", "G", "L", "G".

Name: Device Lock Status
Purpose: Displays the status of the various locks/
restrictions that have been set by your company, device
supplier, service provider or Research in Motion (RIM).
Process: Go to the "Sim Card" settings screen (usually
Options-->Device-->Advanced System Settings-->SIM
Card) and type "M", "E", "P", "D".
All of these secrets have been tested on the BlackBerry
8800, BlackBerry Curve 8300 and BlackBerry Curve 9320; I
would expect them to work on all keyboard-featured
BlackBerry devices... The above secrets may or may not
work on BlackBerry "Pearl" series handsets.

In some cases, you will need to be on the Home screen when
you enter these codes...
If I've missed anything, please add it below...