realme UI supports recording system sound when recording screen. If you need to add your own voice commentary when recording the screen, turn on the "Record microphone sound" before recording the screen, the phone can record your voice into the screen recording video.
Method 1:
Click the settings icon in the small floating window of the screen recording to turn on Record microphone sound.
Method 2:
realme UI 1.0 & above versions: Settings > Search "Screen recording" > Screen recording > Record microphone sound
realme UI Go & R & S & T Edition: Click Screen Record in the control center > Record audio > Select Device audio and microphone.
Note:
1. To protect privacy, voice cannot be recorded in scenes such as calls and videos.
2. To protect privacy, screen recording is not supported for entering passwords and some third-party applications, such as banking software.