You cannot upload the kernel of FaceStation in BioStar 1. You have to upload the kernel file to a USB and insert it in the device to upgrade the kernel. 

Please check our FW Compatibility Chart before upgrading to avoid device malfunction. 

Please follow the instructions below. 

1. Copy the kernel to USB memory

2. Go to device menu > network>  USB memory

3. Upgrade the firmware

Please refer to the device manual as shown below