try this if you have problem with camera in pie😁

Information ROM
______________

[ROM][9.0.0_r6][AOSP][UNOFFICIAL][ALPHA] AospExtended ROM V6.0 [Treble][20/09/2018] , ROM for the Xiaomi Redmi 4 Prime

🆑 Changelog :-

-> Cam Working Well.
-> September Security Patch (9.0.0_r6)
-> Hw Key Customization
-> Substratum Support Full ( OMS )


BUGS
-> Toggle Flash Torch ( Not working )
-> And You tell me 😎


Credits :

People behind this amazing ROM!

-@ishubhamsingh(Owner/Dev/Designer)
-JDC Team
-DirtyUnicorns
-LineageOS/Cyanogenmod
-TeamSubstratum
-Nitrogen Project
-Pure Nexus
-OmniROM
-AOSPA
-ABC ROM
-GZR Community
-Lakor Tools for Via Browser
-Hemanth S Tobi for Retro Music Player
-@AlienCreature7 and @Wizper99 (For designing the ROM Logo, Fling etc)
-Tirth Patel (thp1997)
-Abhishek Agarwal (TheScarastic)


📌Status : ALPHA STABLE

🔗Link : https://mega.nz/#!W5NRkajS!lSm0XJeAo7clKoJaBLC5TrMbT0iGfRK2-sQcnDnX5ag