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rollback to Android Oreo

  1. zp1ash Cupcake Jun 23, 2019

    zp1ash, Jun 23, 2019 :
    the day before today I don't get my phone Android Pie to Oreo and there is no problem and my phone work smoothly.
     

    #21
  2. H1555000822917 Cupcake Jun 23, 2019

    H1555000822917, Jun 23, 2019 :
    roll back to Oreo from pie. this works alot

    First of all Backup your data preferably to and usb otg or a PC for later restore. You may lose your data from your phone following this procedure...
    make sure your bootloader is unlocked and you have a custom recovery installed.
    1. boot into recovery and Format SYSTEM, DALVIK, CACHE, DATA and then only Flash the Full Rom Oreo Beta OOS zip OR OREO STABLE file zip in TWRP.
    2. DON'T REBOOT
    3. Flash the downloaded boot-patched.img file corresponding to the Model and OOS version in TWRP immediately after flashing the Stock ROM zip.
    4. DON'T REBOOT TO SYSTEM
    5. REBOOT TO TWRP .
    6. In TWRP, MOUNT SYSTEM IN THE MOUNT OPTION, GO TO ADVANCED > TERMINAL and Type "df system"(without quotes) and enter. The details of the system partition will be shown. Look at the Use% and Free Space. Make sure you have atleast 100MB free space in System before you go to the next step. If you don't have enough free space then mount system in TWRP, go to file manager and free some space in system by deleting some unwanted apps (in system/app folder like duo, google drive, hangouts,etc. which you can later reinstall via google play as it is not mandatory for them to run as system apps)...If there is low space on your system partition that fstab file flashing fails resulting in blank fstab file and you will end up in bootloop.
    7. Once you have confirmed that you have atleast 100MB of free space left in system partition. REBOOT BACK TO TWRP.
    8. Flash "Force Encryption Disabler For OOS Oreo v2.zip" in TWRP. (No need to mount system. The v2 zip file does it automatically)
    9. Flash SuperSuSR5 / Magisk 15.3+ ( THIS IS OPTIONAL)
    10. Done.
    11. Reboot to System.

    BOOT PATCH FOR OREO BETA 30
    http://www.mediafire.com/file/b3fu93f15zd576c/boot-patched-Beta30-OP3T.img/file

    BOOT PATCH FOR OREO STABLE 5.0.8
    http://www.mediafire.com/file/xcsiuizziw6xckq/boot-patched-5.0.8-OP3T.img/file

    force encryption disabler
    https://forum.xda-developers.com/attachment.php?attachmentid=4391182
     

    #22