Having problems with getting wifi in One with 4.4.2 to connect and stay connected?
Edit: HTC have started to push an update (4.19.401.11 on my swedish One) on march 18th 2014, that contains fixes for wifi.
Haven’t verified this myself (been tested and verified by others), but it’s worth a try. Under Settings > Wifi, 3 dots menu where you select Wifi Direct. Select 3 dots Menu and Rename device, where you change the default name to something else, seen it mentioned that you should use HTC One but I don’t think that it matters much what: just that you change it. But: if you’re in network where there is more than 1 HTC One, don’t use the same on both.