So I have an HTC Evo 4G LTE that I'm working on, and I upgraded Hboot to version 2.10. That probably wasn't quite as brilliant of an idea as I thought, being as now I can't seem to gain S-Off. I know how to get S-Off on Hboot version 2.09, but when I ran the RUU which included that, it gave me the error "ERROR [140]: BOOTLOADER VERSION ERROR," so I figure it doesn't want to downgrade anything. Can I get back to Hboot 2.09, or gain S-Off some other way?
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Here's my research, although it hasn't helped me as of yet. forums.androidcentral.com/htc-evo-4g-lte-rooting-rom-s-hacks/… forum.xda-developers.com/showthread.php?t=1964371 forums.androidcentral.com/htc-evo-3d-rooting-roms-hacks/…– j.m.g.rCommented Mar 8, 2015 at 2:54
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Can't you use ADB to install Hboot 2.09– CsharperCommented Mar 11, 2015 at 1:18
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1 Answer
With S-On but the bootloader unlocked, I believe you can flash an official stock Firmware (and downgrade) Then Soff again.
After getting S-OFf, ungrade Hboot only with a hacked version. Then flash roms via TWRP only.
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Alright, but when I go through the HTCDev method again, it still says 'relocked.'– j.m.g.rCommented Mar 7, 2015 at 20:43