Originally Posted by hyellow
try sending the cabs one by one rather than everything at once.
That's what I did. It's almost like it's not unlocked but it must be. I always get the same problem - but only on version 7.5 :
Update device bf7d3d39 - 64ecc29e - 96bea03f - 063e9631
Complete with error code: 80180008, error message: IU (Image Update)
installation failed on phone: Failed to verify digital signature of update package.