Top 30 Secrets of BLACKBERRY Mobile Phones.

There are some mentioned secret codes of BLACKBERRY Mobile Phones which when typed, provide specific result.
 
1) Decibel meter ( Shows your signal strength in decibels instead of bars ).
    Hold “Alt” & press “NMLL” (repeat to reverse the effect).
2) Address Book file verification ( Checks the data in your Address Book for inconsistencies ).
    Hold “Alt” & press “VALD” in the Address Book.
3) Address Book data structure rebuild ( Forces a data structure re-build in the Address Book ).
    Hold “Alt” & press “RBLD” in the Address Book.
4) View source code ( of web page).
    Hold “Alt” & press “RBVS”  in the Address Book.
5) Help Me! menu ( Provides crucial technical information about your device ).
    Hold “Alt” & (left) “shift”, then press “H”.
6) IMEI number.
    Type “*#06#” on the home screen.

7) “Soft” Reset ( the equivalent of doing a “battery pull” ie. Removing the battery for a few seconds ).
    Press & hold “Alt”, then press-and-hold (left) “shift”, then press-and-hold “Del”.
8) Event Log ( Shows event logs of all the system-level events that occur on your cell phone ).
    Hold “Alt” & press “LGLG”.
                
In some cases, you will need to be on the Home screen when you enter these codes :

9) A or C   =   phonebook.
10) S  =   search.
11) F  =   phone profiles.
12) W or B  =   browser.
13) H  =   help.
14) K  =   locks the keys.
15) L   =   calendar.
16) V   =   messages.
17) M  =   messages folder.
18) R  =   alarm.
19) T  =   tasks.
20) U  =   calculator.
21) I   =   applications.
22) O  =   options.
23) P   =   phone.
24) T  =   Top of page (in browser).
25) B  =   Bottom of page (in browser).
26) Space  =   Page down (in browser).
27) D  =   Memo pad.
28) U  =   Switch between hide/unhide in title bar (in browser).
29) ALT + NMLL  =   numbers instead of bars for signal strength.
30) ALT + Right Shift + Del   =  hard reset.
So these are the Top 30 Secret codes of BLACKBERRY Mobile Phones.