Sunday, June 7, 2020

Android 8.1 Oreo on Nexus 7 2012 WiFi

Thanks to ud4, LineageOS team, TeamWin and everyone else that made this build possible.
  1. Backup / transfer personal data (texts, photos, videos, apps, etc)

  2. Read [ROM][grouper] [8.1.0] [UNOFFICIAL] LineageOS 15.1 [2020/05/22]
    • download (270 MB)
    • download (53 MB)

  3. Download Android SDK / platform-tools

  4. Install TWRP (Team Win Recovery Project) for Nexus 7 2012 Wifi
    (twrp-3.3.1-0-grouper.img, 9.6 MB)

    Follow Fastboot Install Method (No Root Required) section.

  5.  Boot into recovery mode (TWRP) with:
    adb reboot-bootloader
    Use Volume Up or Down keys to select "Recovery Mode", then press "Power".

  6. (Recommended) In TWRP, choose Wipe > Advanced Wide > Change File System for cache and  Data from EXT4 to F2FS

  7. Back to TWRP main screen > Advanced > ADB Sideload > Swipe to Start Sideload

  8. Sideload new ROM from your PC:
    adb sideload

  9. Sideload GApps ROM from your PC:
    adb sideload

  10. Reboot system