It will be slow. Modern apps are heavy, and the S2's hardware will struggle with multitasking.
For most, this is a "just because I can" project. It’s a fantastic way to learn about Android's architecture, custom ROMs, and device longevity. It also breathes a small amount of life into a device that would otherwise end up in a landfill, turning it into a basic music player, a desk clock, or a simple Wi-Fi controller for smart home devices. Where to Find the Files samsung galaxy s2 android 13 free
Download the LineageOS 20 build and a "BitGApps" package (if you want the Google Play Store). Step-by-Step Installation Guide (Brief Overview) It will be slow
Modern software is not optimized for such old battery tech. a desk clock
