WIFI was flakey then stopped working

My Samsung Note 10.1 (2014 edition) tablet had worked for about a year then the WIFI started disconnecting and reconnecting. It progressively got worse until it would intermittently connect for a minute or 2 before the WIFI died completely. I tried several different access points and had the same issue. Tried turning WIFI off/on turning airport mode on/off and rebooting the device. Still had the problem so I did a factory data reset but that didn't resolve the issue either. At first I was thinking it was a software issue but now wonder if it is hardware related and if the problem is somewhat common?