HI guys! I tryed, and it work. I think it works to all version off 6210. it very simple and easy. try it!! the nokia 6250 have better software. new menus and new options.
god luck!

6210 to 6250

1) Always start by making a full backup of your phone 0020000 0060000

2) Flash 6250 MCU & PPM to phone

3) Flash 6250 Eeprom to phone (start adress 005FA000)

4) Start KNOK - Engine build 19 Final to recalculate Eeprom (Quick set FAID)

5) Enter desired imei with using KNOK - Engine build 19 Final

6) Start KNOK - Engine build 19 Final to unlock (Reset SP lock)

7) Start KNOK - Engine build 19 Final to recalculate Eeprom (Quick set FAID)

You may relax now. Your Nokia is now 6250 and everything is fine. Enjoy

Needed files:

* Flasher program
* MCU + PPM Flash file from 6250

* Eeprom by 6250

* KNOK - Engine build 19 Final
* Flasher cables
* MBus cables
* Some good luck, just in case...



Download MCU - PPM here...
http://www.schwantz.hpg.ig.com.br/links.htm


Download EEPROM here...
http://www.schwantz.hpg.com.br/zip/virgin_eeproms.zip