Installation instructions:

For sideload

• Download boot.img from link below

• Reboot phone to bootloader

• Open any terminal like cmd etc, enter "fastboot flash boot boot.img"

• Reboot phone to recovery and enter sideload mode

• Enter "adb sideload xxx" (xxx means the filename of rom zip you downloaded)

• Do factory reset in recovery (Mandatory for first time flash)

• Reboot

For root:

• Download Magisk apk
• Rename it to *.zip
• Reboot to recovery and enter sideload mode
• Enter "adb sideload xxx.zip" (xxx means magisk file name)

You can also patch boot.img and flash via fastboot.