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 .