adb shell wm density reset Then restart both displays by switching folding mode twice.
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: invalid ppi samsung
persist.display.resolution.override=main:420,sub:320 (for developers) In drivers/gpu/drm/samsung/exynos_drm_display.c , ensure: adb shell wm density reset Then restart both
adb shell su mount -o rw,remount /system echo "ro.sf.lcd_density=420" >> /system/build.prop # adjust to your model reboot In /vendor/build.prop add: remount /system echo "ro.sf.lcd_density=420" >
adb shell wm density adb shell dumpsys display | grep -i ppi Physical density: 500 (actual PPI ~501)