Sony tablet S Stuck in sony logo

[slashthepainkiller]

I have a sony tabket s model SGPT112US/S i try to uograde with the flasher tool, it reboot but it got stuck in sony logo, searching in the forum i find some solutions but no one could do my tablet to work again, i try to flash the update from the recovery but get a error message saying "E: Prohibit update as a result of checking version or base sku, installation aborted"
I am missing something? My tablet has turn into a cofee pad? I apreciate any help

Thanks in advance