Có nhiều phím trên diễn đàn cũng đã nhắc tới, nhưng vẫn còn nhiều chưa được nói đến. Hãy trải nghiệm thử nhé.
1. Home Screen

To Restart BlackBerry

ALT (left) + Shift (right) + DEL
This Restarts the Blackberry. Only to full-keyboard HandHeld.Other Home Screen Shortcuts :

ALT+JKVVA : Display cause of PDP reject
ALT+CAP+ H : Displays the Help Me screen
ALT + EACE : Displays the Help Me screen
ALT + ESCR : Displays the Help Me screen
ALT + NMLL : Switches the signal strength from bars to a numeric value.
ALT + LGLG : Displays the event log.

You do not need to type in Capitals.

2. Address Book

ALT+VALD – Validate the data structure and look for inconsistencies
ALT+RBLD – Force a data structure rebuild

To Reset the address Book

From the Options menu, type the following (No ALT+ required)
RSET – Will prompt to erase & reload for a reload of the Address book from the BES
(n.b. this will wipe all entries, but you can goto SIM Phone Book & copy entries back afterwards)

3. Option Menu

Just type these keywords in the Option Menu without pressing the ALT key to do the following tasks.

SYNC : Enable Calendar slow sync
RSET : Will prompt for a reload of the calendar from the BES
RCFG : Request BES configuration
SCFG : Send device configuration
DCFG : Get CICAL configuration
SUPD : Enable detailed Cal. report for backup
SUPS : Disable detailed Cal. report for backup
SUPN : Disable Cal. report database
LUID : Enable view by UID
SRSL : Show Reminder status log

4. SIM Card Options

Go to Options->Advanced->SIM card. Type the following without pressing the ALT keys.

MEPD : Display MEP info
MEP1 : Disable SIM personalization
MEP2 : Disable Network personalization
MEP3 : Disable Network subset personalization
MEP4 : Disable Service provider personalization
MEP5 : Disable Corporate personalization

5. Browser

Type in ALT+RBVS in Browser to view web page source code

6. Calendar

Open up a Calendar item and press ALT+VIEW Inside any Calendar item Show extra info for a Calendar event including message ID which is a handy for BES log troubleshooting

Date/Time Menu Shortcuts. No ALT+ required.
LOLO : Date/Time Show Network time values

7. Messaging

ALT+VIEW – For messages, displays the RefId and FolderId for that particular message. For PIM items, displays only the RefId.
Search Application

ALT+ADVM : Search Application Enabled Advanced Global Search

8. WLAN wizard screen

ALT-SMON WLAN : Enable simulated Wizard mode
ALT-SMOF WLAN : Disable simulated Wizard mode

9. Theme Shortcuts

This can be accessed from Theme Menu.

ALT-THMN : Change to no theme (Black and White)
ALT-THMD : Change to default theme

10. Enterprise Activation

Options >> Advanced
ALT+CNFG : Settings for Enterprise Activation

Status (Options >> Status)

BUYR : Data & Voice Usage
TEST : start a device test (Keyboard, GPS, RF, Audio (Handset,headset,bluetooth, Misc)
Nguồn: http://indo-online.net