Nokia Lumia 520 Custom Rom Work Work -

Requires a registry hack to "disguise" the 520 as a supported model (like the Lumia 635) to receive over-the-air updates.

: You must first unlock the bootloader using tools like WPInternals and flash a custom bootloader (LK) and recovery (TWRP). Windows 10 Mobile Upgrades nokia lumia 520 custom rom work

Here’s a concise, practical answer that pieces together the key points about : Requires a registry hack to "disguise" the 520

⚠️ The Lumia 520 runs Windows Phone 8/8.1 , not Android. Custom ROMs here are not like Android custom ROMs (LineageOS, etc.). You cannot install Android on a Lumia 520 (except very unstable, outdated experimental ports). This guide covers what is actually possible. Wi-Fi and Bluetooth may work

Highly experimental; Wi-Fi and Bluetooth may work, but SIM/calls and GPS are often broken. CyanogenMod (Android 6.0.1)