You can display or hide the corresponding icons through the status icon settings. For example Mobile network, Wi-Fi, Bluetooth, Airplane mode, VPN, etc.
Setting path:
realme UI 3.0 and above versions: Settings > Notification & status bar > Status icons/status bar, turn off or on for status icons
realme UI 2.0 & 1.0: Settings > Notification & status bar > Status icons, turn off or on for status icons
realme UI R & S & T & Go e& U dition: not support
Note: For some realme UI 3.0 models, the path is Settings > Notification & status bar.