Doogee S90 Rooting

How to root the Doogee S90 using Magisk

The rugged Doogee S90 is currently my main phone.

Prerequisites

  1. Universal ADB Drivers
  2. Minimal ADB and Fastboot
  3. SP Flash Tool
  4. Magisk

Rooting

  1. Update the phone first. Make sure the build number is DOOGEE_S90_Android8.1-20191205.
  2. Unlock the bootloader. (Backup your files, this will erase all of your data.)
    1. Enable USB debugging and OEM unlocking in Developer options.
    2. Turn off your phone.
    3. Hold volume up and power, until it shows selection screen.
    4. Using volume up, select fastboot mode, and click using volume down.
    5. Connect your phone to your PC using a USB cable.
    6. Open command prompt for adb and fastboot.
    7. Type fastboot devices to verify if the phone is connected.
    8. Type fastboot oem unlock to unlock bootloader. (This will factory reset your device.)
    9. Type fastbook reboot to reboot device.
  3. Install Magisk.apk on S90.
  4. Download boot.img here. (Or readback boot.img using SP Flash Tool. (Advanced))
  5. Patch boot.img in Magisk.
  6. Flash patched boot.img using SP Flash Tool.
    1. Download scatter-loading file here. (Or create your own scatter file using MTK Droid Tool. (Advanced))
    2. Select boot.img in SP Flash Tool.
    3. Turn off your phone.
    4. Click Download.
    5. Connect your phone to your PC using a USB cable.
    6. If download ok shows, disconnect your phone.
  7. Open Magisk to verify if Magisk has been installed.

Backup

To prevent problems later on, it is recommended to readback important partitions in your phone to prevent a brick if something goes wrong.

Licensed under CC BY-NC-SA 4.0
Last updated on September 01, 2022 12:12:00 PM +0800
By Shawn M.
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