1. Lock Screen Message

Add a helpful message on your lock screen.
- How to do it:
- Go to Settings > Lock screen and security > Lock screen signature.
- Add a backup phone number or email.
- This makes it easier for someone to contact you if they find your lost phone.

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2. Smartphone Return Option

Install apps like Cerberus for advanced security features:
- Take photos if someone uses your phone.
- Activate the mic to listen remotely.
- Locate your phone via GPS or trigger a loud alarm to attract attention.
- Optionally, lock or wipe your data.

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3. Save the Memory

Use Telegram Messenger as a notepad and cloud storage.
- Send files, links, and texts to yourself to declutter your phone memory.

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4. Phone as CCTV

Turn your old phone into a security camera:
- Use apps with motion detection.
- The app takes pictures or videos when someone enters the view and sends them to you instantly.

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5. Dash Cam

Transform your phone into a dashboard camera:
- Install DVR apps to record your car trips.
- Position your phone to get the best road view.

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6. UV Light

DIY your smartphone into a UV light to check banknotes or other materials.
- What you need: Tape, a blue marker, and your phone's flashlight.
- Apply tape over the flashlight and color it with the marker to create UV-like effects.

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7. Smartphone Construction Level

Use your phone as a level tool:
- Most phones have built-in accelerometers and gyro sensors.
- Download apps for Android or iOS to measure angles or level surfaces for small construction tasks.

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8. Access the Magic Menu

Unlock the Developer Menu for pro-level settings:
- How to enable it:
- Go to Settings > About phone.
- Tap Model Number 7 times.
- Access hidden settings to tweak your phone’s performance.

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9. Interesting Stats

Check your app usage stats:
- iOS:
- Go to Settings > Battery > Last 7 days.
- See the most-used apps.
- Android:
- Install apps like Instant to track app usage and screen time.

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10. Monochrome Mode

Enable Black and White Mode to reduce distractions:
- Go to the Developer Menu (see point 8).
- Find Simulate anomaly and switch on Monochrome Mode.
- Your screen will now display everything in grayscale.

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Remember

These clever tips can enhance your phone's functionality, improve security, and even repurpose older devices. Experiment with these settings to unlock your phone’s hidden potential!

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