Samsung Galaxy Z Flip 4 review: Happy as a clamshell - Android Authority
Samsung Galaxy Z Flip 4 : How to Change Screen Timeout Before Phone Sleeps Locks - YouTube
How To Use Split-Screen On Samsung Galaxy Z Flip 4
How to set Galaxy Flip 4's cover screen with Always-On Display
Z Flip4 owner here. I turned off Adaptive Battery & removed all apps from sleep and deep sleep. My screen on time increased from 5 hours at 30% to 7 hours at
Samsung Galaxy Z Flip 4 Review: Where do your priorities lie?
This app supercharges the Galaxy Z Flip 4's cover screen | Digital Trends