Originally Posted by Eris Ed
The method seems established, and is one of the methods stated on the AlphaRev website. But, there's a few people on Twitter who have had errors when trying to follow that route, and resorted to fastboot/PC to complete the flash. It's a shame really.....dropping the zip on SD and rebooting the phone is such a simple solution!
I also couldn't use PB99IMG.zip file because my phone was also branded.
Anyway, I'm using now Android flasher for that and other purposes. It is simple to use and does the job.