In the twilight of the Windows era, some developers attempted to port the Android subsystem to Windows Phone. This is highly experimental and unstable on a Lumia 520. It allows running Android APKs natively, but the performance on the 520's 512MB RAM is abysmal. This is recommended only for those who want to experiment, not for a daily driver.
XDA-Developers • Today at 10:00 AM User: WP_Modder_520
Prerequisites:
These are the most common custom ROMs found on forums like XDA Developers. They are based on the official Nokia firmware (Lumia Black or Cyan updates) but modified to include:
Before diving in, it is crucial to understand the architecture. The Lumia 520 runs on a Qualcomm Snapdragon S4 Play (MSM8227). Unlike Android devices, where unlocking a bootloader is the first step to flashing a custom kernel, Windows Phone devices were heavily locked down by Microsoft and Nokia. Nokia Lumia 520 Custom Rom
There is no "true" Android ROM for the Lumia 520. While you will find YouTube videos claiming to show Lumia devices running Android, these are almost always fakes, concepts running via Virtual Machine apps, or simply clickbait. The driver support for the Lumia hardware on the Android kernel is non-existent. Therefore, you cannot simply flash a modern version of Android (like LineageOS) onto this phone.
However, that does not mean you are stuck. The "Custom ROM" scene for the Lumia 520 is about Windows Phone modification, not OS replacement. In the twilight of the Windows era, some
The Lumia 520 was Nokia’s best-selling Windows Phone, known for its low cost, decent build, and Qualcomm Snapdragon S4 (MSM8227) chipset. However, Microsoft ended support at Windows Phone 8.1 (some got Windows 10 Mobile unofficially, but poorly).
Custom ROMs allow:
But due to locked bootloader, unsigned drivers, and limited community, options are extremely limited. XDA-Developers • Today at 10:00 AM User: WP_Modder_520
