redelk34, I came across this link
http://www.androidcentral.com/how-get-your-paid-apps-back-froyo
... and ended up doing some digging to get this to work (I think)
> > > Here's how I did it:
adb pull /system/build.prop
> > > I edited these lines (on the pc):
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=SGH-I897-user 2.2 FROYO UCJI6 release-keys
ro.build.fingerprint=Samsung/SGH-I897/SGH-I897/SGH-I897:2.2/FROYO/UCJI6:user/release-keys
> > > to this:
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=SGH-I897-user 2.1-update1 ECLAIR UCJF6 release-keys
ro.build.fingerprint=Samsung/SGH-I897/SGH-I897/SGH-I897:2.1-update1/ECLAIR/UCJF6:user/release-keys
> > > then pushed the PC file back to phone (into the wrong location, backed up old version just in case, then moved the new one)
adb push build.prop /sdcard/
adb shell
su
cp /system/build.prop /system/build.prop.old
mv /sdcard/build.prop /system/
exit
reboot
> > > END
I think it worked (certainly didn't break anything),
Hope this helps,
AoN