Custom mainline Linux (Debian arm64, kernel 6.12) on the Samsung Galaxy S20 Ultra 5G (Exynos 990, z3s): display, UFS root, multi-touch, Mali-G77 GPU via Panfrost, and BCM4375 Wi-Fi.
debian linux-kernel device-tree samsung arm64 exynos ufs z3s mainline-linux linux-phone brcmfmac exynos990 panfrost galaxy-s20-ultra galaxy-s20 sm-g988b mali-g77 bcm4375
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Updated
Jul 27, 2026 - C