Router's internet is slow but sometimes the internet led turns orange
The router was just fine after a couple of weeks but the internet led immediately turned orange. I turned it on and off and everything will be fine but after 30 minutes or so, the internet led turns orange and I have to turn on and off again. After a while of turning it on and off, I had enough so I reboot the router using the tether app but after a while the internet led would turn orange. Knowing that rebooting does not fix the problem, I factory resetted the router using the tether app, set up the router's connection, and connected my phone and pc but another problem appeared, the internet was very slow, I couldn't load youtube or google.
What can I do to fix this?