check this thread.

http://forum.xda-developers.com/show....php?t=1529481

i am attempting this tomorrow when Tech Support Chat is online.
will post results in above forum.
Samsung Focus S | SGH-i937 | Windows Phone 7 build 8773
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Samsung Focus | SGH-i917 | Windows Phone 7 build 7720 - Backup
Samsung Epix | SGH-i907 | Windows Mobile 6.5 - Retired
Samsung Blackjack | SGH-i607 | Windows Mobile 6.0 - Retired
Motorola RAZR v3 (Black) - Retired