I’ve created a short guide on how to update your EMO to the latest firmware ver1.5.0 take a look below:
I can also advise that sometimes the issue is related to internet connection / drop outs. If you can have the option to potentially use a mobile hotspot as a test, I’d recommend that as well.
Also feel free to check out my Quick Help Guide for EMO if you need any futher help with other EMO features.
Best of luck hopefully you can get the update working.
