Posted: 03-20-2017 12:48 AM
Source: https://www.psxhax.com/threads/ps4-4...ue-fixes.1964/
Summary:

Since PlayStation 4 v4.50 Firmware Update went live, many users including @jpkb1997 (who let us know...

PS4 4.50 Firmware Update Network Error / WiFi Issue Fixes