well, actually i did not loose power, but it stock on boot screen on update and I remove battery desperately. its been 1 month I can not use my g1
Well there you have it, mostly, it has to reboot and get stuck on the splash screen, then it reboots into recovery. That may be the cause of your brick. Another problem is, that all those guides are not so exact at telling their readers what to do. Next time you're following a guide, just look at the maker of the thread if he's at least a senior member.well, actually i did not loose power, but it stock on boot screen on update and I remove battery desperately. its been 1 month I can not use my g1