there are some problem with nsdongle and jaf-box ... today i've killed a v200, initially say "Incorrect parameters were submitted", after some tries (disconnecting cable and closing application) start to flash, when program says "power on mobile" nothing work, i had to detach cable from phone, and reconnect it, program starts but stops ad "loading flashloader", and after 1 minute "error, too many retry ... bla bla bla"
Jaf is original, cable is working with UFS, phone completely working before.
No problem with service job with same cable, ufs and nsdongle 3.8.1, just no way to flash, and phone killed