After about a week my s6 edge T-Mobile 7.0.1 started totally ruining our wifi. I did a speedtest with the s6 off and the s6 on. Off 40-60 ping with 20 jitter, on 800-1100 ping with 300 jitter. The wifi speed stays the same. I've scoured the internet and have found no help for this. I have wiped...