Specialist cluster

Notifications and App Behavior

Troubleshoot notification channels, background restrictions, default apps, app links, screen recording, and other app-level behavior.

Separate the terminology

Check protocol, setting, and plan requirements independently.

Record original values

Save settings and errors so changes can be reversed.

Retest one variable

Keep test conditions constant to preserve causality.

Detailed guides

10 guides

Notifications and App Behavior

Phone Screen Recording Has No Audio

Fix silent screen recordings or recordings with only microphone or device audio by checking the audio source, microphone permission, protected calls, and Bluetooth routing.

Reviewed: 2026-07-23Read guide →