I’m not sure who wrote this, but a co-worker Kyle emailed me this back a few months ago and I found it really useful, some of these I didn’t know

Advanced Enterprise Activation Settings

ALT-CNFG In Options -> Advanced Options -> Enterprise Activation Settings for Enterprise Activation

Address Book

ALT-VALD In address book list Validate the data structure and look for inconsistencies

ALT-RBLD In address book list Force a data structure rebuild

Browser

ALT-RBVS Any HTML/WML webpage View web page source code

Calendar

ALT+VIEW Inside any Calendar item Show extra info for a Calendar event

(for these, just type the letters on the appropriate screen)

SYNC Calendar app>Options Enable Calendar slow sync

RSET Calendar app>Options Will prompt for a reload of the calendar from the BES

RCFG Calendar app>Options Request BES configuration

SCFG Calendar app>Options Send device configuration

DCFG Calendar app>Options Get CICAL configuration

SUPD Calendar app>Options Enable detailed Cal. report for backup

SUPS Calendar app>Options Disable detailed Cal. report for backup

SUPN Calendar app>Options Disable Cal. report database

LUID Calendar app>Options Enable view by UID

SRSL Calendar app>Options Show Reminder status log

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

MMS

MMSC Options > MMS – Show MMS hidden options

Home Screen

ALT-JKVV Home Screen – Display cause of PDP reject

ALT + CAP + H Home Screen – Displays the Help Me screen

ALT + NMLL Home Screen – Switches the signal strength from bars to a numeric value

ALT + LGLG Home Screen – Displays the Java™ event log.

WLAN

ALT-SMON WLAN Wizard Screen – Enable Simulated Wizard mode

ALT-SMOF WLAN Wizard Screen – Disable Simulated Wizard mode

Theme

ALT-THMN Any menu – Change to no theme (B&W)

ALT-THMD Any menu – Change to default theme

Date/Time

LOLO Options -> Date/Time – Show Network time values

SIM Card

MEPD Options > Advanced Options > SIM card – Display MEP info

MEP1 Options > Advanced options>SIM card – Disable SIM personalization

MEP2 Options > Advanced options>SIM card – Disable Network personalization

MEP3 Options > Advanced options>SIM card – Disable Network subset personalization

MEP4 Options > Advanced options>SIM card – Disable Service provider personalization

MEP5 Options > Advanced options>SIM card – Disable Corporate personalization

Other Useful Commands
*#06# Home Screen – Displays your device’s international mobile equipment identity (IMEI – your serial number) on-screen
ALT-CAP-DEL Any menu – Soft Reset (“battery pull”)