Firmware Version:
*#0000#
*#51x0# or
*#9999#

View Serial No:
*#92772689#

*#war0anty# This will show you the waranty details for your mobile ( made, serviced, etc )
*3370# Basically increases the quality of calling sound, but decreases battery length.
#3370# Deactivates the above.
*#0000# Shows your software version.
*#06# Shows your IMEI number.
*#sim0clock# This shows if your phone will allow simclock stoppage. *3001#12345# Enables field test mode and many other options.

Half Rate Mode (HFR):
*4720# to activate HFR.
#4270# to deactivate HFR.

Default Security Code:
12345

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