Most mobile devices offer built-in tools for data transfer. For example, on Android, you can use Google Drive, Samsung Smart Switch, or other manufacturer-specific apps. On iOS, the iCloud or iTunes backup and restore process is commonly used. Ensure both devices are connected to Wi-Fi, follow the prompts, and your data will be seamlessly transferred.

To extend battery life, consider adjusting screen brightness, enabling power-saving mode, and closing background apps. Turn off unnecessary features like location services and push notifications. Regularly update your device's software, as newer versions often include optimizations for better battery efficiency.

If your device supports external storage (e.g., microSD cards), you can add more space that way. Alternatively, consider offloading photos and videos to cloud storage services or deleting unused apps. Transfer large files to a computer or an external hard drive to free up space.

Clearing cache, closing background apps, and restarting your device can help improve performance. Ensure your software is up-to-date, uninstall unnecessary apps, and consider a factory reset if the slowness persists, but be sure to back up your data first.

n your device settings, locate the security or biometrics section. Follow the prompts to register your fingerprint or facial features. Ensure you have a secure backup method (PIN, password) in case biometrics fail. This adds an extra layer of security to your device.