You can download it here: sony.com/electronics/support/compact-cameras-dsc-rx-series/dsc-rx0m2/
Benefits and Improvements
- Adds the USB Streaming function to allow connection using a USB cable to a PC or Xperia smartphone for live streaming and online communication with the high video and audio quality.
NOTES:- This applies to Xperia 1 II or Xperia 5 II smartphones that have been upgraded to Android 11. Update availability varies by region. (As of April 22, 2021)
- When connecting to a device with a USB Type-C port, use a commercially available USB cable or terminal conversion adaptor.
- Improves the overall stability and performance of the camera
NOTE: Refer to the Help Guide for details on all updated functions.