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K15 supports firmware upgrades for SOC, MCU, Bluetooth chip, and XMOS316.
SOC Upgrade:
1.OTA Upgrade:
After connecting K15 to the internet or switching networks, a pop-up notification
for new firmware will appear. You can choose to cancel, remind later, or proceed
with the upgrade. Alternatively, navigate to Menu > Other Settings > Firmware
Upgrade > Main Controller Online Upgrade to initiate OTA.
If the OTA upgrade is interrupted due to network or power failure, K15 may get
stuck on a black "Updating" screen. Restarting the device will not resolve this.
Reconnect K15 to the same network used during the OTA to resume the upgrade
(resume from breakpoint).
After completion, K15 will automatically reboot.
If the upgrade remains stuck on "Updating" despite restarting or reconnecting, use
USB drive recovery:
Download the latest K15 firmware from the official link
Insert the USB drive into the rear USB-A port of K15.
Copy the compressed file”K15_update_20250317_Vxxx” to a USB drive, manually
extract it, and rename the extracted folder to "K15_update_images".
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