Disclaimer: This guide and the tools included are provided as-is. Testing has been limited and nothing is guaranteed to work. I take no responsibility for lost data, bricked devices, etc. Continue at your own risk, and please read carefully. THIS ...
EDIT: This guide is outdated - see this thread for up-to-date instructions.
Guide: Getting TWRP on the Visible R2
Disclaimer: this is a work-in-progress and things will probably go wrong. I take no responsibility for bricked phones, lost data, et...
So for anyone who wants root, Magisk works fine up to 16.7 from about a year ago. Just flash it through TWRP, but be warned that it'll probably corrupt /data on install and force you to factory reset; you can wipe or format /data from TWRP. Even w...
Still haven't had a lot of time to muck around, but here's what I've found:
-Seems like some actual security checking is in place; I can't get the stock recovery to boot if I've taken it apart and put it back together, much less boot TWRP.
You could try using setprop as root to set ro.build.product or ro.product.device back to Z5151, or manually edit the build.prop; beyond that, I don't know of a simpler way.