Can someone please validate the steps I am going to do is correct or does it need any changes. Please experts let me know if any changes is required to the below steps.
https://github.com/150balbes/Amlogic_s905/wiki
Root of s9xxx (S905 S905X S912) https://yadi.sk/d/srrtn6kpnsKz2
https://yadi.sk/d/srrtn6kpnsKz2/Linux/ARMBIAN/5.64/20181019
Step 1: From the above link download the file
Armbian_5.64_Aml-s9xxx_Ubuntu_bionic_default_4.19.0-rc7_desktop_20181019.img.xz
Step 2: Unzip file using 7zip in windows
7zip => Armbian_5.64_Aml-s9xxx_Ubuntu_bionic_default_4.19.0-rc7_desktop_20181019.img.xz = Armbian_5.64_Aml-s9xxx_Ubuntu_bionic_default_4.19.0-rc7_desktop_20181019.img
Step 3: Write the above extracted Ubuntu Image file to USB or SD card by following the below link. https://www.askvg.com/win32-disk-imager-write-any-bootable-image-to-usb-drive-in-windows/
Step 4: How to Activate MultiBoot.
1) Insert the above prepared USB or SD card into the Device (Device: Mine is Beelink GT1 Ultimate).
2) Start Device into Android normally.
3) Open the App "Update&Backup"
4) click on "Select" local update and chose the file on the removable media (aml_autoscript) inside aml_autoscript.zip
5) start "Update"
6) The System will reboot twice and start running the System from external media.
Step 5: How to Install Armbian into eMMC
Using u-boot-2015
Enter the desired .dtb filename in /BOOT/uEnv.ini
Run “/root/install.sh”.
Using u-boot-2018 version (New version)
1) Enter the desired .dtb filename in "/BOOT/extlinux/extlinux.conf
2) Rename Sxxx-uboot.img" to “uboot.img” located at media.
i) if S905x then rename s905x-uboot.img to uboot.img
ii if S912 then rename s912-uboot.img to uboot.img
Run “/root/install-2018.sh”
if you don't know if you are using ""u-boot-2015" or "u-boot-2018" then please update both the files. (uEnv.ini and extlinux.conf).
/* Notes
On models with S802 S805 S812. Activation multi-boot is possible ONLY with SD card
(activation of the USB stick is NOT WORKING). After a one-time activation procedure of multi-boot is done using SD Card,
running variety of ystems is possible from ANY storage media (SD cards and USB storage devices). */
/* Notes
Unzip file using unxz in Linux
unxz --keep Armbian_5.64_Aml-s9xxx_Ubuntu_bionic_default_4.19.0-rc7_desktop_20181019.img.xz