So I'm trying to use the steam link app on my phone (8gb ram cpu Helio g99) but it's lagging to the point i can't really play or even losing connection.
Here's the screen of my internet connection and the steam link test:
https://imgur.com/a/E74mBqJ
https://imgur.com/a/5XUQb7B

I just want to play on the bed, i use the same wifi and my pc is wired, but i get the orange/red signal icon and it gets unplayable.

I believe the phone and internet speed should be enough to not have any problems with lag or am i wrong? Anyone knows how to fix this? Could it be the router not being able to handle the stream?
This is the router i have, was provided by my ISP, i really don't know anything about routers specs:
https://www.ktcatv.com/products/54/71