Analyze the given product description and suggest 5 performance enhancements.

This smartphone is designed with the latest version of Android, a 13MP primary camera, a 5.5-inch HD display, and a fingerprint sensor for added security.
user
1. Increase the camera resolution to 20MP. 
2. Add an autofocus function to the camera.
3. Increase the battery capacity for longer usage.
4. Design the phone with a faster processor for improved performance.
5. Add a waterproof feature for added protection.
assistant