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I have done it twice and ended up dong a factory reset twice, phone wouldn't boot, hung on LOgoyeah, it's so easy theres no reason not to do it!
Droid Den - Phone Guide: How To Root The Samsung Galaxy S And Fix Lag - Droid Den
I have done it twice and ended up dong a factory reset twice, phone wouldn't boot, hung on LOgo
you need to leave it for a bit.. I thought it hung up as well, but I left it for a few minutes and then it booted fine.. try again I would say
Mine suddenly freezes on me, and nothing i push wakes the phone up... I have to take out the battery and put it back in and restart it...
I was told by another user that he experiences this too, and that the fix should be released on Froyo...
Other then that it works perfectly... Even the GPS and I live in a remote place in Canada...