The most powerful and useful hidden features on an Android phone!

​1. Developer Options (Speed Up Phone)
​This menu is typically hidden as it contains advanced system settings, but it's essential for power users to tweak performance.

​2. Screen Pinning (Lock to an App)
​Screen Pinning locks your phone to a single application, preventing unauthorized access to other parts of the device.

​3. Find IMEI Number (*#06#)
​The IMEI (International Mobile Equipment Identity) is a unique 15-digit number for every mobile device—essential for insurance claims, police reports, and carrier identification.

​4. Guest Mode (Lend Your Phone Safely)
​Guest Mode creates a separate, isolated profile on your phone, perfect for lending it to someone without compromising your personal data.

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