Major problems with w600 cannot flash at all

[QB_5]

I use all the right firmware I'm expierienced in flashing i'm doin all the right things I think theres somethin wrong with the erom or somethin

[SeaMonkey]

I use all the right firmware I'm expierienced in flashing i'm doin all the right things I think theres somethin wrong with the erom or somethin

Did you try put back GDFS backup into phone?
And here you have for repair EROM REPAIRING EROM GUIDES for most sonyericsson phones - Top Sony Forums