Alguien sabe porque quiero actualizar mi k790 que es cid49 pasandolo a cid 52 y me sale el siguiente error?

10:47:16| ***** Read flash vendor & id (cmd 0D)
10:47:16| ***** Read otp (cmd 24)
10:47:16| +++ Now flashing firmware main...
10:47:16| Sending flashfile C:\Documents and Settings\Usuario\Escritorio\Nueva carpeta\firmware\K790_R6BC002_MAIN_GENERIC_EV_RED5 2.mbn
10:47:16| Sending chunk #0
10:47:16| Wait for acknowledge
10:47:16| Sending chunk #1
10:47:16| Wait for acknowledge
10:47:16| Sending chunk #2
10:47:16| Wait for acknowledge
10:47:16| Sending chunk #3
10:47:16| Wait for acknowledge
10:47:16| Sending chunk #4
10:47:16| Wait for acknowledge
10:47:16| 460 flashblocks
10:47:16| Binary acknowledge failed with: 89
10:47:16| Failed
10:47:17| Binary acknowledge failed with: 68
10:47:17| Failed sending datachunk
10:47:17| Failed sending flashblock 1. Returnvalue 0x1414C98
10:47:17| Finishing flash
10:47:17| Binary acknowledge failed with: 02
10:47:17| Failed
10:47:17| Failed
10:47:31| ++ Error: Flashing failed
10:47:31| Disconnected... Unplug the phone
10:47:39| Shutting down...
Re comico al final uno no queria tener cid 52 ahora que lo quiero tener no puedo!...jajaajajaj...

alguien que me de una mano?