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 edition: not support
Note: For some realme UI 3.0 models, the path is Settings > Notification & status bar.
Related Articles:
How to set the notification icon in status bar?
Why the status bar displays little dots?