Invalid Ppi Samsung -

adb shell wm density adb shell dumpsys display | grep -i ppi Physical density: 500 (actual PPI ~501)

Camera2: Invalid PPI reported by DisplayManager - using 420 dpi default Apps that query DisplayMetrics receive xdpi or ydpi = 0.0 or negative, often due to a transient display manager state. 2.4. Custom Development (TWRP, LineageOS, Kernel Compilation) Error: error: invalid PPI value in device tree during lunch or brunch . invalid ppi samsung

ERROR: Invalid PPI value (0) for display 0 FATAL: DisplayMetrics density out of range Corrupted build.prop entries ( ro.sf.lcd_density ), failed display calibration, or after a system update. 2.2. Samsung Game Launcher / Game Optimizing Service (GOS) Log example: adb shell wm density adb shell dumpsys display

persist.display.resolution.override=main:420,sub:320 (for developers) In drivers/gpu/drm/samsung/exynos_drm_display.c , ensure: ERROR: Invalid PPI value (0) for display 0

GOS: Invalid PPI - falling back to default resolution GOS misreads display density when resolution is changed via Settings → Display → Screen resolution (HD+/FHD+/WQHD). Switching resolutions rapidly can temporarily confuse the service. 2.3. Third-Party Apps (Camera, Benchmark Tools) Log example: