7 Hidden Secrets of Your Old Smartphone That Can Make Your Life Easier (Not Just Phones!)

Based on the search results, there are several articles that discuss hidden features on smartphones (especially Android) that can be very useful.

While no single article fits the title exactly, common points about hidden features that are often discussed and can make life easier include:

1. Developer Options: Opens access to advanced settings such as speeding up animations, controlling background processes, etc.

2. Quick Tap / Back Tap: Tapping the back of the phone two or three times to trigger certain actions (such as screenshot , opening the camera, turning on the flashlight).

3. Smart Lock: Keeps your phone unlocked under certain conditions or locations (e.g., when at home or connected to a trusted device).

4. Permission Manager: Control in detail the app's access permissions to location, camera, or microphone for better privacy.

5. Screen Pinning / Split Screen: Lock the screen on only one application or use two applications at once on one screen.

6. End Calls with the Power Button: Enable the option to allow pressing the power button to immediately end a phone call.

7. Become a Webcam: Use your old phone camera as a webcam for your laptop/PC via USB connection.