HTCDev BLunlock is only for the ys varient ........ mine is ts ......
i tried these pgfs ( i found them in this thread
i put them to replace those of the LP Firmware >> through my SPflashtool (v5.1532.00) , i flashed the scatter file , chicked the boxes ( pgfs1-pgfs2 ) only, clicked download. I shut down my phone , clicked both Vol up n down ,then it started to download.
and ABRACADABRA! it's done
Hope it helps