Various system compatibility improvements

Improvements

1. Redirect UC9040 software support to ATEN OnAir App from previous version.
2. Improve system stability.
3. Improve system compatibility with iPadOS 15.
4. Improve connection compatibility with Android platform.
5. Improve connection behavior with ATEN stream to USB software.
6. Support FW upgrade on iPadOS from ATEN OnAir App V.2.1.202 and later.

Important notes

Please download firmware file to the USB storage in advance and follow the instruction or user manual for device upgrade.

Upgrade Instructions

1. On the external drive, create a folder named "uc9040_img".
2. Download the complete software and unzip it.
3. Save your file - "uc9040_Vx.x.xxx.bin" in the "uc9040_img" folder.
4. Plug the external drive to rear USB port of the device.
5. Press "PAUSE+MUTE+CUT" buttons together to enable firmware upgrade process.