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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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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