Mobile's Must Known Tricks and Tips II

Today i am posting some secret codes for nokia phones.

 Codes & their respective Action


*3370# -- It activates Enhanced Full Rate Codec (EFR) i.e. it enhances the max sound of

your speaker.

#3370# -- Deactivate Enhanced Full Rate Codec (EFR).

*#0000# -- Check nokia phone software version.

*#9999# -- Check nokia phone software version if *#0000# does not work.

*#2640# -- Displays the current phone security code.

*#30#  -- Lets you see the private number.

*#06#  -- For checking the International Mobile Equipment Identity in short imei no.

press and hold # -- switch between lines 1 and 2.

*#7370# -- Format phone by Restoring factory settings (security code needed)

*#7780#  -- Restore factory settings

Note: “Some of these codes are really dangerous so please try them if you know about

them or if you can deal with them.”