How to Install APK Files on Samsung, Google Pixel, and Xiaomi Installing APK files manually (sideloading) is a standard skill for any Android user. But the exact steps vary by manufacturer. Samsung's One UI, Google's stock Android, and Xiaomi's HyperOS each have different settings menus, permission flows, and quirks. This guide covers the exact steps for all three brands, along with safety checks you should perform before installing any APK. ⚠️ Warning: Only install APK files from trusted sources. Malicious APKs can steal your data, install spyware, or brick your device. Always verify the source.…