I bought this phone couple years ago and don’t have an opportunity to buy new phone and this one now is a brick, so I would really appreciate if you do /e/ available for this phone. Also, I think the whole wp community will use your system in that case. I have an unblocked bootloader, so I think it’s real.
On XDA there were a few attempts to install Android or LineageOS.
Forum Devices
Nokia Lumia 520
Microsoft Lumia 950/950 XL
Nokia Lumia 1020
Nokia Lumia 920
Nokia Lumia 820
Forum Sections
Nokia Lumia 520
Nokia Lumia 520 ROMs, Kernels, Recoveries, & Other Development
Nokia Lumia 520 Questions & Answers
Nokia Lumia 520 Guides, News, & Discussion
Nokia Lumia 1020
Unofficial LineageOS 13.0 for Lumia 52X & 720
Nokia Lumia 520 ROMs, Kernels, Recoveries, & Other Development
Nokia Lumia 520 booted Android Nougat 7.1
But for many months the great silence has returned. Never see Android OS on Windows Phones again?
Microsoft drop support of Windows Mobile at December 10, so you need swap to Android anyway, choose one of /e/ officially supported model, because there is very very tiny chance that your Lumia will be ever supported by /e/.