Is unlocking bootloader necessary for twrp / root (us996)?

Fihnakis

Member
Nov 29, 2011
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Just received my V20 US996 from Amazon coming from a Nexus 6p running PureNexus. Been checking out some of the roms but I'm at a loss. I've read so much I think I've confused myself even more. I've read sites outside of XDA that give detailed instructions on how to install twrp / root with no mention at all about the need to unlock the bootloader on us996 but then I read some posts here and it says unlock bootloader and others that just say to install rom you need twrp / root. So...... which is it? Do I really need to unlock the bootloader and if so can it be relocked in case phone has to be sent back to amazon under square-trade warranty?

Thank you in advance for any help in this,

-Fihn