I made a build for the as-of-yet unsupported Poco X3 NFC (Codename surya). I do already use it, but please keep in mind this is work in progress.
Download:
http://www.ralfhein.de/surya/e-0.14-q-20210115-UNOFFICIAL-surya.zip
md5sum: 1e09a587c4ea64af6872bb3b65b80562
sha256sum: 7d1edb4e2989cb01647b528e0f6a683a91cd042ba33ab9de10106a4b7acd7f5a
Here is what I used:
Unlock Tool: https://www.xiaomitool.com/V2/ (highly recommended!)
TWRP build by mahajant99: https://forum.xda-developers.com/t/recovery-3-5-0-0-unofficial-twrp-xiaomi-poco-x3-surya-karna.4168511/
Device/Kernel Sources for Q-Build: https://github.com/gardiol (this will be the LOS 17.1 maintainer later on it seems)
Known issues:
- for me bluetooth audio is broken
General discussion about LOS17.1 for surya at XDA: https://forum.xda-developers.com/t/rom-10-lineageos-17-1-unofficial-surya-karna.4202533/
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