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products:sbc:vim-5:install-os:boot-into-upgrade-mode

VIM 5 Boot into Upgrade Mode

In order to flash the OS into eMMC with USB Upgrade Tool, you need to put the board enter Upgrade Mode.

There are 4 ways to boot into upgrade mode:

  • TST Mode (Recommended)
  • Key Mode
  • Serial Mode
  • Bootable TF Card

TST Mode (Recommended)

  1. Connect VIM 5 to PC with a USB-C cable.
  2. Quickly press the Function key 3 times in 2 seconds, then release the key. You will see the Power LED (Red) blink for about 3 seconds.
  3. After the Power LED (Red) turns OFF, this indicates that the board is in Upgrade Mode (Maskrom Mode).

Key Mode

  1. Connect VIM 5 to PC with a USB-C cable.
  2. Long press the POWER key without releasing it.
  3. Short press the RESET key and release it.
  4. Count for 2 to 3 seconds, then release the POWER key to enter into Upgrade Mode.

Serial Mode

  1. Connect VIM 5 to PC with a USB-C cable.
  2. Refer to Setup Serial Too to setup your Serial Tool for VIM 5.
  3. Once again, make sure you’ve done the correct connections and setup.
  4. Hit SPACE on your keyboard at the moment of bootup to stop autoboot. This step will let VIM 5 boot into U-Boot command line.
  5. Type run update in the terminal of U-Boot.

Bootable TF Card

  1. Create a Bootable TF Card.
  2. Insert a Bootable TF card into the slot.
  3. Refer to this guide to setup your serial tool for VIM 5.
  4. Connect VIM 5 to PC with a USB-C cable.
  5. Hit SPACE key at the moment of bootup to stop autoboot. This step will let VIM 5 boot into U-Boot.
  6. Type run update in the U-Boot terminal.
Last modified: 2026/09/14 03:57 by nick

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