on
07-12-2025
10:55 AM
- edited on
10-07-2025
03:47 AM
by
ZenBot
[AIOT] How to Flash Tinker Board 3 OS
Requirement:
• 1 x Micro SD card with at least 8GB capacity
• 1 x 12~19V, DC 5.5/2.5 power supply
• 1 x Monitor with HDMI™ cable or Micro USB cable
• 1 x Keyboard and Mouse set
Setting Up:
1. Insert the micro SD card into a Windows® PC.
2. Download the TinkerOS image from the Tinker Board website (https://tinker-board.asus.com/download.html) and burn it into the micro SD card using a third-party ISO software, such as Etcher.
3. Insert the bootable micro SD card into your Tinker Board 3, then connect the power supply, keyboard, mouse, and monitor to boot up.
Requirement:
• 1 x Micro USB cable with data transfer function
• 1 x 12~19V, DC 5.5/2.5 power supply
• 1 x Monitor with HDMI™ cable or Micro USB cable
• 1 x Keyboard and Mouse set
Setting Up:
Way 1: Flash emmc by emmc UMS mode
1. Keep the dip1 pin of MASK1 to Right

2. Connect the Tinker Board 3 to a PC using a Micro USB cable.
3. Connect the power adapter to the Tinker Board 3.
4. Download the TinkerOS image from the Tinker Board website (https://tinker-board.asus.com/download. html) and burn it into the Tinker Board 3 using a third-party ISO software, such as Etcher.
5. After the TinkerOS image is successfully burned, disconnect all cables from the Tinker Board 3.
6. Connect the power supply, keyboard, mouse, and monitor to your Tinker Board 3 to boot up.
Way 2: Flash emmc by SD card UMS mode
1. Insert the micro SD card into a Windows® PC.
2. Download the TinkerOS image from the Tinker Board website (https://tinker-board.asus.com/download.html) and burn it into the micro SD card using a third-party ISO software, such as Etcher.
3. Insert the SD card to Tinker Board 3 -> Keep the dip1 pin of MASK1 to Right

4. Connect the Tinker Board 3 to a PC using a Micro USB cable.
5. Connect the power adapter to the Tinker Board 3.
6. Download the TinkerOS image from the Tinker Board website (https://tinker-board.asus.com/download. html) and burn it into the Tinker Board 3 using a third-party ISO software, such as Etcher.
7. After the TinkerOS image is successfully burned, disconnect all cables and remove the sd card from the Tinker Board 3
8. Connect the power supply, keyboard, mouse, and monitor to your Tinker Board 3 to boot up.