My Iphone 4s will not connect to any Wi-Fi

I have tried literally everything
no Wi-Fi networks appear, when i 'turn on Wi-Fi' it has the loading circle, then it will stop and nothing will appear
It is not a problem with the router, my brothers phone will connect.
i have reset everything in my phone before and still nothing works so don't tell me to like turn my phone on and off cuz yall dumb af

Go To Settings > General > Reset > Reset Network Settings. THat should fix it, fixed mine