This allows you to sideload "homebrew" apps (like screen recorders or file managers) but keeps the main OS stable.
The Nokia Lumia 520 holds a special place in mobile history. It was the little engine that could—the entry-level warrior that gave Windows Phone 8 a massive market share boost back in the day. But in 2024, with the Windows Phone Store effectively gutted and official support long dead, the only way to keep this tank relevant is through Custom ROM work. nokia lumia 520 custom rom work
Stick with Windows Phone 8.1 with interop unlock (registry access, sideloading). This allows you to sideload "homebrew" apps (like