How to update Android version in command line?

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If the device already run an older version of /e/OS,

  • Go direct to step (8) or (9) of this illustrated guide

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In official documentation Install /e/OS on a ASUS ZenFone 8 - “sake” we can see :

Install /e/OS

In /e/OS recovery main screen:

  1. Select Apply Update and in next screen Apply update from adb
  2. In the next screen, the device is now in sideload mode

Note at this point the Cancel option is highlighted that does not mean you have canceled the action. The device is in adb sideload mode.

  1. On your PC type begin adb sideload. Type the below command in a consoleadb sideload downloaded_file_name.zip

Replace downloaded_file_name.zip with the name of the /e/OS file you downloaded in the previous section

  1. Press enter key on the keyboard to start the sideloading The screen will show the progress percentage…This might pause at 47%
  2. Give it some time
  3. The PC console will now display Total xfer: 1.00x
  4. The phone screen will now display some text with a message similar to

Script succeeded result was [1.000000]
This means that the install was successful.

Reboot the device

In /e/OS recovery main screen:

  1. Select Reboot system now

The reboot process may take 5 - 10 minutes

Success: Congratulations !! Your phone should now be booting into /e/OS !!