Recent My wireless wifi is playing up ,it too slow up and down not steady ( under haft normal speed) ! but it improved eachtime i reset the router , speed tested is OK also i tested with desktop at the same time which is connected internet by Ethernet cable the speeds download is OK .
I think the wifi Router is faulty !
Welcome to the Community!
The WiFi signal is prone to interference, which may have caused the issue.
We've created some articles that will guide you on how to improve your home WiFi network.
Refer to these links:
Let us know how it goes.