+1 on this for my (non-pro) XE75. I've tried the 1.2.6 beta firmware on it, but the quality is still extremely degraded, to the degree that I consider it unusable. Considering returning it under...

...and now the problems showed up again. Seems to briefly work as normal after a reboot, and then the quality rapidly deteriorates.

I've now manually updated to 1.2.6 found in this thread which resolved my issue.

I have the same issues as described in the first post -- I updated the firmware Thursday the 22nd, and I've had a very flaky network connection since then, with wildly varying pings. During the...