Yes, I didn't get that backwards. And all I found is "slow tethering", even here this was never asked before. So, here I am!
Internet is slow on the device, but fast for other devices connected to it. It doesn't look like the fault of some software I'm using (browser, openvpn)
Soooo how in the world? And how in the world do I fix it?
Model: Doogee T5. OS 6.0, Nothing is changed, no root.