How to update the end IO board firmware?
How to check the end IO board version?
Launch xarm-tool-gui, enter the Robot IP and click Connect. As shown in the figure below, the IO Board version is V2.6.0. 
Mapping of end IO firmware
| Robot Arm Model | End IO Board File | Version Number | Latest Version |
|---|---|---|---|
| xArm12xx or lower version | io_board_app_1.2.0.bin | V1.2.x | V1.2.0 |
| xArm1300~xArm1304 or Lite6 | xArmEndIOApp_V2.6.1_debug_20241217.bin | V2.6.x | V2.6.1 |
| xArm1305 or 850 | xArmEndIOApp_V3.1.6_debug_20260427.bin | V3.1.x | V3.1.6 |
NOTE
Upgrading between major versions is not supported (e.g., upgrading from V1.x to V2.x).
Download
Windows: xarm-tool-gui-2.19.8
How to update the end IO firmware?
- Connect with xarm-tool-gui.
- Switch to the corresponding test tool, choose End IO driver board,click install driver, choose the corresponding bin file. Press down the Emergency stop button and release, click Next.
- 1305 or 850: 1300/850 Test tool
- Lite6: Lite6 Test tool
- xArm12xx or lower version: 1200 Test tool
- Wait for 1-2 minutes, it will prompt 'Installation Success'. The arm will reboot automatically. Wait for 1-2 minutes, re-connect with xarm-tool-gui, enable the robot, and check the end io board version.