Lumia520 All about Nokia Lumia 520 Unlock the bootloader (Windows Phone 8.1) Install Android (LineageOS 14.1) Install Linux (PostmarketOS) Revert to Windows (Windows Phone 8.1) Enable root (Windows Phone 8.1) Key combinations (Windows Phone 8.1) Key combinations (LineageOS 14.1) Key combinations (PostmarketOS) eMMC partitions (Windows Phone 8.1) eMMC partitions (LineageOS 14.1) Electronic components Boot Bluetooth stack Windows drivers DIY phone box Developer device configuration Terms and acronyms