Internet connection fails when my phone connects to the network

A

AC Question

Hi there, I have an issue with my internet.

For about two days now, my home internet does not work when my phone is connected wireless to the same network.
as soon as I disconnect my wifi and 10 seconds later, the internet in my home starts working. The problem is intermittent and so I cant pin-point a time of the day when this happens.

Previous to this happening, for a couples of days there was an issue with my home internet which has been switching on and off throughout the day but I either had internet at home or no internet and it had no issues when my phone was connected.

I'm using a Galaxy Note 5 which has just been upgraded to the latest update.

Please help!