PROBLEMA EM ATUALIZAÇAO M2 AQUA kitkAT

Boa noite, desde que atualizei o meu M2 para o lolipop, ele parou de dar sinal de rede, estou tenatando voltar ele , para o KITKAT, porem no flashtool, esta dando o erro abaixo, alguem sabe pq ??

17/013/2015 22:13:50 - INFO - Writing TA unit 00002725. Value : [32, 30, 31, 35, 2D, 31, 31, 2D, 31, 37, 20, 32, 32, 3A, 31, 33, 3A, 35, 30, 00]
17/013/2015 22:13:50 - INFO - Writing TA unit 00002774. Value : [00]
17/013/2015 22:13:50 - INFO - Closing TA partition
17/013/2015 22:13:50 - INFO - Ending flash session
17/013/2015 22:13:50 - INFO - Flashing finished.
17/013/2015 22:13:50 - INFO - Please unplug and start your phone
17/013/2015 22:13:50 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings
17/013/2015 22:13:50 - INFO - Device connected in flash mode

Meu windows e 32 bits.