There is always risk when updating firmware, please refer to below for our policy: 

1. For a product that is still in warranty and failed after firmware upgrade:  

ATEN will repair the unit for free.

2. For a product that is already out of warranty and failed after firmware upgrade.

A: If the product was EOL(End-of-Life):  

ATEN may not able to repair the product since there is no service parts available. 

B. If the product was not EOL:  

ATEN can repair the unit with repair charge.