Almost everyone who has ever heard of Secret codes for Mobile phone devices is surely aware of them, for those who aren’t these are special shortcut codes to activate hidden settings of your device. You must have heard of the old trick 8#06# to reveal your IMEI number. Nokia seems to have a lot of secret codes for its devices similarly Blackberry also seems to have these hidden settings. Most of these are simple tricks, not that very useful, but still good to know.# Tip 1
Hold down [Alt], type [NMLL]. This will change network indicator from bar to actual decibel values.
# Tip 2
Open Address book and hold [Alt] and type [VALD], this will validate your address book.
To rebuild your address book simply hold [Alt] and type [RBLD].
# Tip 3
To view the source code of a web page you can hold [Alt] and type [RBVS].
# Tip 4
To add a date to a message: [L] + [D] + [space]
To add current time to a message: [L] + [T] + [space]
Now let’s see some of the shortcuts for various routine tasks that would surely help you make a swifter move when working on your device.
# Tip 5. [Alt] + [Back Arrow]
This shortcut is for multi-taskers those who love to run just too many apps simultaneously, This lets you switch between various running apps to see what you are running and may be to close them.
# Tip 6. [T] or [B]
Pressing [T] will take you to the top of the page, mail or anything you can think of.
Similarly [B] will take you to the bottom of the page.
# Tip 7 [shift] + [space]
[Shift] + [space] when pressed will act as Page up and pressing [space] alone will act as Page down.
# Tip 8
Press [z] when in browser to quickly switch between column view and Page view.# Tip 9 [Alt] + [shift]
This will activate the number lock; this proves quite handy when you are trying to type numbers in messages or in emails.# Tip 10
When viewing messages you can speed-up the job by selecting only what you want to view.[Alt] + [I] for incoming items only
[Alt] + [O] For outgoing items only
[Alt] + [P] For Phone calls
[Alt] + [S] For SMS
[U] To jump to oldest unread message.
[N] For Next read
[P] For Previous unread