Install kOS Bootloader

Tool - Balena Etcher

Prerequisites

  • Download the bootloader image file for your board from https://www.kosdev.com/latest/downloads

    • In macOS, the file is automatically unarchived, and the kos-installer.img file will be present in the download location.

    • In Windows, the user must unarchive the downloaded file and use kos-installer. img for flashing.

  • Download and Install Balena Etcher from https://www.balena.io/etcher/

Preparation

  1. Unzip the .zip file and have the .img file in case the .zip file is not unarchived.

  2. Launch the Balena Etcher application.

  3. Insert the storage device for installation into the laptop / Macbook

Steps

1. Choose the image file

  • Click on ‘Flash from file’.

balena etcher step 1
Figure 1.
  • Select “kos-installer.img” which was downloaded earlier and Click “Open”

kos installer step 1
Figure 2.

2. Select the target drive

  • Click on the “Select Target”.

target drive step 2
Figure 3.
  • Select the checkbox against the thumb drive which will be used for flashing. Then click on the “Select” button.

select target step 2
Figure 4.

3. Start Flashing process

  • Click on “Flash!” button to proceed.

start flashing step 3
Figure 5.
  • Once the flashing process is started, Balena Etcher will display its progress and validate the write after completion.

4.Flash completion

  • After the validation, the Flash completion message will be displayed in the UI.

flash complete step 4
Figure 6.

Now your storage drive is ready for install

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