Upgrade Your Robot's Firmware using FOTA

Quick reference summary

This page is intended for the X2 series robot. For other robots, refer to the corresponding upgrade procedure.

Checking list:

Item	Detail
Robot subnet — Youth	10.0.200.XX/24
Robot subnet — Ultra	10.0.1.XX/24
Host platform	x86 only (Windows / Ubuntu)
Upgrader version	v0.0.20
Firmware naming	fast_fota-aarch64 prefix
Connection type	Ethernet to robot debug port
Rollback	Not supported — re-flash on failure

Prepare the host computer

Download the upgrader for your host computer. Download according to your platform (x86 only supported): FOTA Tool

Download the firmware

FOTA packages compatible with this upgrader are prefixed with fast_fota-aarch64. For released firmware, see the firmware page.

Download the required firmware to the host computer.

Connect the host computer to the robot via Ethernet

Connect an Ethernet cable from the host computer to the robot’s debug port.

Configure the host computer’s IP address to match the robot’s subnet. Choose based on the robot type:

Network Mask: 255.255.255.0

Robot Version	IP Subnet
X2 Youth	10.0.200.XX
X2 Ultra	10.0.1.XX

Run the upgrader

On Ubuntu

On the Ubuntu host computer, the first time you use a new upgrader, you must grant it executable permission:

1. Right-click the upgrader file and select Properties.

2. Select the Permissions tab.

3. Check “Allow executing file as program”.

On Windows

Double-click to open the upgrader. On first launch, select “Trust this program” when prompted.

‼️Important:

Boot your robot, place it in a safe position (laid flat or suspended), and set it to zero torque mode.

Back up your secondary development files before upgrading.

1. Open the upgrader.

2. Select the target robot version (Ultra or Youth).

3. Click Browse and select the fast_fota-aarch64 firmware file stored locally on the host computer.

4. Click Run to begin execution.

5. Wait for the file transfer and remote execution to complete.

⚠️ Regardless of whether the upgrade succeeds or fails, the robot will reboot. If the execution output displays Done, the upgrade was successful.

You can check in Agibot GO to verify whether the upgrade succeeded; see find your firmware version. If the upgrade failed, please contact us.