No manual boxed to the consumer has these commands listed. Maybe internal manual from the vendor site. These are engineerinng or support diagnostic commands. To some very useful to other could be quite dangerous. Be careful too if your on a BES and use these.
� Name: Decibel meter.
� 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".
All of these secrets have been tested on the BlackBerry 8800 and BlackBerry Curve 8300; 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...
There are a few other "codes" at the following links, however I was not able to get them working on my test device, a BlackBerry 8800:
