update firmware for Automotive borescope diameter 2.8mm

For better performance of Automotive borescope 2.8 mm diameter, Vinex RnD released OTA Rev2.2 firmware.

Debug:
1. Zoom Key stuck
2. Image quality improved

Step:
1. Copy this file ota.ius to TF card.
2. Insert TF card to the host.
3.Press start button to Run.
An update will be automatic…
4. Remove the TF card from the host.

Firmware download link:
Firmware automotive borescope
For password download, please email [email protected]