
BlackBerry
Decibel meter.
Displays your signal strength in decibels, instead of bars.
Hold “Alt” and press “N”, “M”, “L”, “L” (repeat to reverse the effect).
Address Book file verification.
Checks the data in your Address Book for inconsistencies.
In the Address Book, hold “Alt” and press “V”, “A”, “L”, “D”.
Address Book data structure rebuild.
Forces a data structure re-build in the Address Book…
In the Address Book, hold “Alt” and press “R”, “B”, “L”, “D”.
View source code.
Displays the source code of a Web page.
In the Browser, hold “Alt” and press “R”, “B”, “V”, “S”.
Help Me! menu.
Provides crucial technical information about your device, for when seeking technical support or help in forums…
Hold “Alt” and (left) “shift”, then press “H”.
IMEI...