Setting Path:
realme UI 7.0: Settings >Mobile network > Personal hotspot > Hotspot settings > AP band
realme UI 6.0 & 5.0 & 4.0 & 3.0 & 2.0: Settings > Connection & sharing > Personal hotspot > Hotspot settings > AP band
realme UI R & S & Go & T & U Edition: Settings > Network & internet > Hotspot & tethering > Wi-Fi hotspot > AP band
