Hello friend.. ( u can try this method to unbrick your GG )
Previously im also got the same problem as u when im trying to upgrade my GG1 but after a long search i found this link . What u need is just follow the instructions as given and the important things is dont try to skip anything !
How to UnBrick Galaxy Gear: h*t*t*p://youtube/fS4878klPAQ
( delete * from h t t p coz im not allowed to post link yet
I hope this will help u coz my GG1 has been recover back .. not to original stock rom but it also upgrade my GG1 to TIZEN !!!
And dont forget to thanks to that guys that send the video and me ( coz i need a credit to post another reply to whom that need a help
) and good luck to u all.
AND TO ADMIN : PLEASE DO NOT BANNED ME COZ IM JUST TRY TO HELP SOMEBODY THAT HAS THE SAME PROBLEM WITH ME ....