one click replace superuser 2.1 with superuser 2.3.4
this guide only for those who have 2.1 eclair (not for korean or bell device)
1. download every driver or software needed to connect your phone via usb, or you can get it here http://gorumors.com/samsung-galaxy-s...-i9000/2754159
2.download update for international i9000 with superuser 2.3.4
3.extract GalaxyS_I9000_One-Click_Root.zip . look for root.zip, delete file.
4.rename "update for international I9000 with superuser 2.3.4.zip" to root.zip
5.move it to the "GalaxyS_I9000_One-Click_Root" folder
6.run application, click unroot 2.1 your devise for those who already rooted their sgs (im not certain about double rooting) so play safe!!!
7.if you got a fresh device then you can go ahead click 2.1 root.
8.follow the onscreen instruction (takes about 30 seconds) i think
9.voila! you got a brand new superuser 2.3.4!!!
"for those who think that you are superior, and call the rookie a noob ,and not willing to share your knowledge. im sure that one day you gonna get your stuff bricked, or having a misserable death" be wise good deed will grant you friends and prosperous live!