Download and Install Lineage OS 18.1 for Samsung Galaxy S9 [Android 11]
Pixel Experience ROM and unofficial LineageOS 16 ROM now available for Galaxy S9 and S9 Plus
Official LineageOS 17.1 Galaxy S9, S9+ & Note 9 now available - DigiStatement
ドコモ版galaxy s9(SC-02K)にLineage OS 17を入れてみた!! - 大和ノ畢生載録
XDA on Twitter: "Exynos Samsung Galaxy S9/S9+ can now taste the AOSP-based Pixel Experience and unofficial LineageOS 16 https://t.co/ZQ1G16VWfL https://t.co/5WCnPqQoaK" / Twitter
LineageOS 15.1 Now Available for Galaxy S9 and S9+ [Download] - Techtrickz
Nexus 4 and Galaxy S9 lose official LineageOS support - 9to5Google
Download] Lineage OS 18 based on Android 11 for Samsung Galaxy S9, S9+, and Note 9