Root oppo A83 CPH1729 [Magisk or SuperSU]

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Lunarx

Member
Jan 12, 2023
8
5
*I am so crazy with this phone but still have a hope that one day it will be rooted
Here are the things that I have done to my phone:
  1. Unlocked bootloader using this tool: MTKClient (it needs testpoint so almost every people cannot get through this step)
  2. Got stock boot image
    - used MTKClient to dump boot partition (need testpoint)
    - or download OTA update containing image file then this tool to decrypt that OTA file oppo_decrypt_ozip by bkerler (dont need testpoint)
    *Both these stock boots worked (I've tested them)
  3. Patched stock boot.img file (because the phone has ramdisk) by Magisk with these options enabled
    - Preserve AVB 2.0/dm-verity
    - Preserve enforced encryption
    - Patch vbmeta in boot image (because there is no vbmeta partition in this device)
  4. Flash patched boot img
    - used MTK META Ultility to enter fastboot (no need testpoint. Power the phone off. Press and hold Volume Down button, when holding that button plug in USB cable)
    + In fastboot, enter this command : fastboot flash boot after that, drop patched boot.img file into cmd console.
    + Turn on the phone again -> bootloop in orange state -> flashed stock rom then it backed to normal
    - used MTKClient to write boot (needtestpoint) (but still bootloop in orange state) -> wrote stock boot.img then it backed to normal
    *I have tried unticking the first 2 options (in step 3) but bootloop still existed
    Hope someone can help me get over this :(
 

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  • boot.img
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  • magisk_install_log_2023-01-12T19.53.55.log
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  • magisk_patched-25200_aoDJ1.img
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Lunarx

Member
Jan 12, 2023
8
5
Now, newer versions of Magisk is under development for supporting some old devices like this device. Waiting for changes ...
 
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  • 1
    *I am so crazy with this phone but still have a hope that one day it will be rooted
    Here are the things that I have done to my phone:
    1. Unlocked bootloader using this tool: MTKClient (it needs testpoint so almost every people cannot get through this step)
    2. Got stock boot image
      - used MTKClient to dump boot partition (need testpoint)
      - or download OTA update containing image file then this tool to decrypt that OTA file oppo_decrypt_ozip by bkerler (dont need testpoint)
      *Both these stock boots worked (I've tested them)
    3. Patched stock boot.img file (because the phone has ramdisk) by Magisk with these options enabled
      - Preserve AVB 2.0/dm-verity
      - Preserve enforced encryption
      - Patch vbmeta in boot image (because there is no vbmeta partition in this device)
    4. Flash patched boot img
      - used MTK META Ultility to enter fastboot (no need testpoint. Power the phone off. Press and hold Volume Down button, when holding that button plug in USB cable)
      + In fastboot, enter this command : fastboot flash boot after that, drop patched boot.img file into cmd console.
      + Turn on the phone again -> bootloop in orange state -> flashed stock rom then it backed to normal
      - used MTKClient to write boot (needtestpoint) (but still bootloop in orange state) -> wrote stock boot.img then it backed to normal
      *I have tried unticking the first 2 options (in step 3) but bootloop still existed
      Hope someone can help me get over this :(
    1
    [Self-Solved]
    This device works with SuperSU 2.78. SuperSU can be installed in newer versions but there is no root installed
    Also, it works with Magisk v14.0 and Magisk Manager v5.8.2. Newer versions cause bootloop :))
    1
    Now, newer versions of Magisk is under development for supporting some old devices like this device. Waiting for changes ...