🛠️ 1. Increase Screen Timeout
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Open Settings.
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Go to Display & brightness (or just Display).
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Tap Sleep or Auto screen off.
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Select the longest option available (e.g., Never, if available).
🔋 2. Disable Battery Optimization for the Display4 App
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Open Settings.
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Go to Battery > More battery settings or App battery management.
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Find and select Display4.
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Choose Don’t optimize or Allow background activity / Run in background.
🔒 3. Adjust Auto-Lock Settings (Optional)
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Go to Settings > Security > Screen lock.
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If you want to keep the lock enabled, adjust Lock after screen turns off to a longer time.
⚙️ 4. Keep Screen On While Charging (Developer Options)
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Go to Settings > About phone.
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Tap Build number 7 times to enable Developer options.
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Then go to Settings > System settings > Developer options.
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Enable Stay awake – this keeps the screen on while the device is charging.