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chenxiaolong/avbroot

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Tool for manipulating and re-signing Android A/B OTAs

13 mentions on Hacker News by 8 people: 1 story, 12 comments · first 2022-12-31 · latest 2026-07-02

Mentions per year 13 mentions · busiest year 2025 (6)
20082026
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  1. …signing keys (avb_custom_key) -- that already seems to leave only Pixel, Nothing and Fairphone. https://github.com/chenxiaolong/avbroot/issues/299
    comment by petu · 2026-07-02 · in Android Developer Verification: Threat masquerading as protection
  2. You can re-sign it using https://github.com/chenxiaolong/avbroot I don't currently have any root on the phone, but I reserve the right to add it or run the userdebug build at a later date
    comment by digiown · 2026-01-31 · in Apple Platform Security (Jan 2026) [pdf]
  3. Wall of Fame (allows re-locking the bootloader with custom key): https://github.com/chenxiaolong/avbroot/issues/299
    comment by preisschild · 2025-12-04 · in Bootloader Unlock Wall of Shame
  4. Only two options (Google Pixel and Nothing Phone) for relocking Android with custom keys? https://github.com/chenxiaolong/avbroot/issues/299
    comment by walterbell · 2025-12-04 · in Bootloader Unlock Wall of Shame
  5. …haven't fulfilled GrapheneOS's other requirements: https://grapheneos.org/faq#future-devices [1] https://github.com/chenxiaolong/avbroot/issues/299#issue-232...
    comment by ysnp · 2025-10-15 · in GrapheneOS is ready to break free from Pixels
  6. You can root GrapheneOS just fine. Moreover you can even re-lock the bootloader after rooting. See: github.com/chenxiaolong/avbroot
    comment by crapple8430 · 2025-09-14 · in Introduction to GrapheneOS
  7. …a custom operating system. Pixels are the only ones officially supporting `avb_custom_key`. https://github.com/chenxiaolong/avbroot/issues/299
    comment by preisschild · 2025-09-02 · in FreeDroidWarn
  8. …This feature is `called avb_custom_key`, and yeah, unfortunately only some devices support it. https://github.com/chenxiaolong/avbroot/issues/299
    comment by preisschild · 2025-08-19 · in Rooted Android phones vulnerable due to Android kernel patching flaws
  9. …updates are not supported. The instructions for flashing updates patched with avbroot are here: https://github.com/chenxiaolong/avbroot?tab=readme-ov-file#u...
    comment by commoner · 2024-05-04 · in DNS traffic can leak outside the VPN tunnel on Android
  10. …root access on Android with a locked bootloader (on the OSes that support it) can use avbroot: https://github.com/chenxiaolong/avbroot Works great with CalyxOS and GrapheneOS.
    comment by commoner · 2024-05-03 · in DNS traffic can leak outside the VPN tunnel on Android
  11. ▲ 2
    avbroot: Sign (and root) Android with custom keys while preserving Verified Boot
    story by commoner · 2023-10-04 · 0 comments
  12. …your own, so you can install future updates signed by your key while the bootloader is locked. [1] https://github.com/chenxiaolong/avbroot EDIT: I read a bit about OnePlus devices. Looks like they do indeed support locking the bootloader…
    comment by chenxiaolong · 2023-02-07 · in The Samsung Galaxy S23’s bloated Android build somehow uses 60GB of storage
  13. …[4] https://github.com/chenxiaolong/BCR [5] https://github.com/chenxiaolong/BCP [6] https://github.com/chenxiaolong/avbroot
    comment by chenxiaolong · 2022-12-31 · in LineageOS 20