Help Me!!! for my 4350

[bilo_29]

Hi .my english no good. I upgrading my htc. this file is corrupted . i asked pro . he says your device locked. install USR. i intall usr. next next next... my htc not opening. black screen. i am not open bootloder mode. i am not start hard reset. but i set usb cable and sound come but i am not open bootlodaer. please help me ?

[bilo_29]

interesting i take out battery. i dont push the opening button . but i set usb cable and sounds hail from computer?? i am not enter bootloader mode.

[bilo_29]

this error :

[fzzyrn]

you need to enter bootloader before flashing an RUU.
Hold the camera button and reset.

And by the way, your "Pro" obviously didn't know about aserg's method.