How to update software to version 2.600 and return to software version 2.200

How to update software to version 2.600 and return to software version 2.200?

https://www.youtube.com/watch?v=w-JBSK1YwJM

You can change the subtitles into English – start the video and click the Youtube-change-620x548 icon in the bottom right corner.

 

Users’ vidoes: CSMIO controller update/Leichtes Update der Firmware der CSMIO Steuerung