I've learned that every time I'm near a city center and my phone loses connection or gets very slow, there's a little "5G" showing in the status bar. Every dam

I've learned that every time I'm near a city center and my phone loses connection or gets very slow, there's a little "5G" showing in the status bar. Every damn time. Sometimes I'm able to mess with the network settings to turn off 5G and go back to 4G, and then my phone works fine again.