Windows OS:
B251 Monitor Firmware V1.1.3
B251 All-in-one PC Firmware V1.0.9
Mac OS:
B251 Monitor Firmware V1.0.5 for Mac OS
B251 All-in-one PC V1.0.2 for Mac OS
Firmware Upgrade Guide:
Instruction of burning firmware
B13 Firmware
Click here to download the B13 burning tools and intruction .