[SOLVED] HELP! W350 can not turn on after firmware upgrade

[philzfog]

so its still working u nead to reflash it try to use sony ericsson update service 1st if not and jdflasher wont work then u will have to use a payservice to reflash it

[evanjc]

so its still working u nead to reflash it try to use sony ericsson update service 1st if not and jdflasher wont work then u will have to use a payservice to reflash it

Finally I got it back to work. I've tried to reflash it with the same PC but got the same message. Then I tried with another PC, everything were perfact. I guess the problem might be the USB port of the first PC. Thank you all.