Nokia 6130/702 Secret Codes

Unlock your Nokia
To unlock your Nokia phone you will need some of the following:
1. Data Cable
2. Unlock Software
3. Extra Help + help Guides

*#06# Displays the IMEI (International Mobile Equipment Identity) number of
the phone (thanks to everyone that mailed me when I typo'd that one)

*#0000#  or *#9999#  (Not Tested)

1st Line - Software Version
2nd Line - Date of Software release
3rd Line - Phone Type.

*#92702689# or *#92772689#  Display the phone's software version.

1st Screen - Serial #, IMEI
2nd Screen - Date of phone manufacture
3rd Screen - Purchasing date.

The Purchasing date can be set once, when edited turn the phone off to exit.

4th Screen - Last Repair Date.
5th Screen - Transfer User Data.
6th Screen - Phone Life Timer 

The figures are decoded as follows..

The first two (12) are the number of days that the phone has been connected
to the network for. I think this only resets if the phone has been off / out
of service for at least 24 hours.

The rest of the figures (04:59) is the talk time that the phone has been
used for, in hours and minutes.


*4720# Activates Half Rate Mode. Drops call quality, but increases battery
 life by about 30%. The phone will reboot after changing the phone rates.
#4720# Deactivates Half Rate Mode.
*3370# Activates EFR (Enhanced Full Rate) mode. Makes calls sound better,
but decreases the battery life by about 5%. It is also supposed to make a
great deal of difference when there is very little signal - It has been noticed
that less 'break up' is heard when in patchy coverage. 

It has been confirmed that only 2 UK operators are currently supporting this, Orange and One2One.
Orange have it across the board, One2One have it for their 'premium' 
customers. Vodaphone are currently trialling EFR in the south east of the
UK, with a nationwide rollout soon.

Newer versions of the phone software (probably from version 4.73 onwards)

have got EFR activated as standard, so *3370# doesn't work.

#3370# Deactivates Enhanced Full Rate mode.
*#sim0clock#

*#746025625#
Shows whether or not your sim card supports clock stopping. See the Battery
Life page for the implications of this. Not all versions of the software
will report this though.

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