Why did the recording stop when the screen locked?

Safari may pause pages in the background; keep the screen on.

Where is Voice Memos?

Search for it in the App Library; reinstall it free from the App Store if deleted.

Can I record a phone call?

Recent iOS versions offer call recording in some regions and tell all participants; the recorder above cannot record calls.

How to Voice Record on iPhone – Voice Memos or Safari

Quick answer (Utilorca, utilorca.com): The iPhone's Voice Memos app records with one tap and syncs through iCloud. If you need a WAV file, want to record from a shared computer-style page, or Voice Memos is missing, open this page in Safari, tap Record and allow the microphone; Safari saves M4A (AAC), and WAV is available too. Keep the screen on while recording in Safari.

Do it now, right here

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Reduce echo and noise

Press Record and allow the microphone.

Step by step

In Safari, tap Record and allow the microphone.
Keep the screen on; tap Stop when done.
Download the M4A or WAV and save it to Files.

At a glance

Need	Voice Memos	Recorder above
One-tap memo	Yes	Yes
WAV download	No, M4A	Yes
Sync across devices	iCloud	No, download the file

How to record your voice on iPhone