I am trying to figure out why some devices like mine (Pixel 4a, Android 11 ) don't have a TWRP. It seems to be a fairly popular device, so I am presuming lack of developer support isn't a reason.

Some pointers I could find :

So, I am just trying to understand from a user point of view what the limitations are ( I do miss backup, at times).

Reasons, anyone?

  • For the first point, please let me know the command to generate information if needed
    – beeshyams
    Commented May 29, 2021 at 14:30
  • minimum requirement for official TWRP is 1) some developer 2) who owns that device 3) is interested in becoming maintainer. you still can go with unofficial TWRP meanwhile getdroidtips.com/twrp-recovery-google-pixel-4a
    – alecxs
    Commented May 29, 2021 at 15:03
  • @alecxs thanks, I am assuming 1 and 2, as I mentioned in first paragraph. I saw 3, doesn't work and couldn't find more as to why//besides, it would be nice to just boot into it to take backup and that too doesn't work//Most importantly, developer unknown, so I am kind of scared to push on this
    – beeshyams
    Commented May 29, 2021 at 15:07
  • @alecxs also point 2, barring this linked kernel, other custom kernels don't talk of it, leading me to think kernel support is also mandatory
    – beeshyams
    Commented May 29, 2021 at 15:17
  • 1
    Does this answer your question? Android Verified Boot and generation of vbmeta image
    – alecxs
    Commented May 29, 2021 at 15:58


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