Download and install the latest version of on your PC.
While the software feats are impressive, the Lumia 520's hardware presents steep limitations in modern times:
What is your for the device? (Daily app use, audio player, or just for fun)
The stock Windows Phone 8 (or 8.1) operating system is functionally dead. The app store is shut down, web browsers cannot render modern websites, and basic synchronization services are offline. Installing a custom ROM provides several benefits: Nokia Lumia 520 Custom Rom
| ROM Type | OS Version | Stability | Features | | :--- | :--- | :--- | :--- | | | WP 8.1 Update 2 | 100% | LTE toggle, 4-row Start screen, FM Radio | | Windows 10 Mobile | Build 10586 / 14393 | 70% | UWP apps, Action Center, New Settings | | ROMs with Root (WPInternals) | WP 8.1 | 95% | Access MTP full, Registry hacks, Custom XAPs |
In TWRP, go to -> Advanced Wipe and select Cache, Dalvik, System, and Data. Swipe to wipe.
Fully charged (at least 80% battery to prevent mid-flash shutdowns). Download and install the latest version of on your PC
This is the most stable Android port available for the device. KitKat was highly optimized for devices with 512MB of RAM. Cellular data, Wi-Fi, and basic audio function decently, though it is too old for modern heavy applications.
: This is the most famous port for the device. In late 2016, XDA developer thinhx2 managed to boot a version of CyanogenMod 14.1 based on Android Nougat 7.1 on the Lumia 520. The video demos showed the operating system running with working split-screen multitasking on the 512 MB RAM device. However, it was universally labeled as unstable and a "proof of concept." The ROM was not available for daily driver use due to lag and numerous crashes.
custom ROM scene allows users to bypass Microsoft's limitations, unlocking new capabilities. Whether you want to force-install Windows 10 Mobile or experiment with specialized projects, custom ROMs are the only way to modernize this device. 🚀 Why Install a Custom ROM on the The app store is shut down, web browsers
Most development for this device (codenamed "fame") is hosted on platforms like XDA-Developers .
Flashing firmware carries inherent risks. You must accept that your device could become permanently bricked. Essential Requirements: A Nokia Lumia 520 (RM-914, RM-915, or RM-917). A Windows PC (Windows 10 or 11 preferred).
However, for the enthusiast, the journey is the reward. Using to take apart the SecureBoot chain and force a piece of Windows Phone history to boot an Android 7.1 Nougat kernel with only 512MB of RAM is a fantastic engineering feat. If you find a dusty Lumia 520 in a drawer and want to learn about low-level mobile security and embedded Linux booting, this project is for you. Just remember: if you want to make phone calls, stick to the official Windows Phone 8.1 (which still works for basic tasks). But if you want to see a "Windows Phone" booting Android, welcome to the modding rabbit hole.