Incremental Update from V2.5.20_EEA to V2.5.21_EEA
1. Go to 'System - M3OTA'
2. Check the current version (V2.5.20_EEA) and select the Server and click the 'CHECK FOR UPDATE'.
3. If a suitable next OS exists, the program will automatically recognize it.
4. click 'DOWNLOAD'
5. Press 'OK' to reboot and wait untill reboot.
6. Check the updated SW version
