How can I record my phone screen with the sound I need?

Start by naming the sound you want: your spoken explanation, sound produced by the app, or both. A microphone option is for your voice; device or system audio refers to the phone’s app audio. Check the controls and instructions for the specific phone and recording tool you’re using. Don’t assume every tool offers both sources together.

Before recording anything important, make a short test with the same app and settings, then play it back. For example, if you want to narrate an app walkthrough, check that your voice is audible and that the app sound is present if you need it. A test is more useful than relying on a label alone.

Repeat a brief test with the same app and confirm device audio is selected in the recording controls. If the app audio is still missing, the app may prevent its sound from being captured. Zoom’s mobile screen-sharing guidance warns that some apps block their sound from capture by non-system apps for security or privacy reasons [S1]. That is a possible explanation, not proof of what happened on your phone.

Try the app’s own instructions or another permitted way to get the material. Changing the microphone setting is not a reliable fix for missing app audio: the microphone and device-audio choices serve different purposes. Zoom’s guidance is about Zoom screen sharing, so it does not establish the rules for every phone or recording tool.

For narration plus app audio, check whether your particular recorder offers separate microphone and device-audio choices, then test the combination. A tool may offer one source, both, or controls that work differently. Zoom Clips, for example, lets users choose whether to include device audio during mobile screen-sharing recordings and describes muting or unmuting audio during recording [S2]. This is specific to Zoom Clips; it doesn’t establish that every phone recorder can capture both sources at once.

For notifications and other unwanted content, decide what you want included before starting. Review the notification settings available on your device, keep sensitive information out of view where possible, and inspect a short test recording. These are preparation steps, not guarantees that notifications or other sounds will be excluded. The supplied sources don’t explain notification controls for your phone. If the test includes something unwanted, adjust your setup or recording plan and test again.

Use this checklist:

1. Write down whether you need your voice, app audio, or both.
2. Check the instructions and audio choices for the specific phone and recording tool.
3. If you need app audio, test whether it can be captured; some apps may block it [S1].
4. Review what will be visible or audible, including notifications and unrelated content.
5. Make a short test with the same app and settings.
6. Play it back. Check for the sound you need and any unintended content.
7. If the test fails, change the setup or recording approach, then test again.

Example plan: “Goal: demonstrate an app feature with my narration. Audio: microphone and device audio if available. Test: a short sample using the same app. Check: my narration is audible, app sound is present if permitted, and no unintended notification or sensitive information appears.” Only proceed with the full recording once the test matches your needs; don’t treat a successful test as a guarantee that every later recording will be identical.