Invalid Ppi Samsung Apr 2026
adb shell wm density reset Then restart both displays by switching folding mode twice.
Invalid PPI (0,0) for display 1, skipping content scaling A third‑party launcher forced the outer display to a non‑standard DPI via wm density . When the inner display activated, its PPI was calculated relative to the outer’s modified value, resulting in zero. invalid ppi samsung
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: adb shell wm density reset Then restart both
adb shell wm density adb shell dumpsys display | grep -i ppi Physical density: 500 (actual PPI ~501) GOS: Invalid PPI - falling back to default
persist.display.resolution.override=main:420,sub:320 (for developers) In drivers/gpu/drm/samsung/exynos_drm_display.c , ensure:
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 .
