I appreciate its attention to my problem. W600 & Z520
 

last six phones that I have flasheado (3 W600 and 3 Z520) do not take signal from operator GSM before to finish all Good.

in the forums they say that gdfs is to me damaged, but not like updating them or that to do.

before flash, phones was in white screen but if they yes take signal from the operator, now they is well and correct single that does not take signal from the operator.
Got Team, please helpme or at least answer me something.

Best regards.

Srdls.

do write eeprom flash ZONE
remove locks

it still same problem ... try to master reset your phone manually ...