I'm getting ready to download this now.
http://www.pocketables.com/2014/01/sprint-htc-updated-3-05-651-6-fixes-profileprl-bug.html
Here the sprint link:
https://community.sprint.com/baw/thread/146002
http://support.sprint.com/support/article/Find_and_update_the_software_version_on_your_HTC_One/WServiceAdvisory_542_GKB48984?INTNAV=SU:DP:OV:UG:HtcOne:FindAndUpdateTheSoftwareVersionOnYourHtcOne
Apparently these are the fixes
- WiFi always scanning for networks, even when the that option is turned off.
- Shorter WiFi range, causing more frequent disconnects.
- LTE not connecting.
- SIM card error messages that persist, even after a supposed fix was rolled out.
- Proximity sensor calibration issues.
- RSSI fix
- HD Voice Improvements
- PRL/Profile errors.