^ If u just want Root.
When I was on the official Froyo 2.2 i897UCKB1 (I see ur on KB2), the only way I was able to get Root was through this...View attachment 711191
Download/ extract the file/ open file/ right click and run as adminstrator the "SuperOneClick"/ go to phone Settings/ Applications/ Usb settings/ and select Mass storage/ back out of that and then select Development/ and put a check in the box of USB debugging/ Home/and then connect ur phone to the computer and then tap ROOT. The "psneuter" Exploit is the one that worked for me.
Hope this helps ya...
thank you, this really helped! it should be in the first post!