Samsung: Galaxy Diagnostics Screen Tool Fixer ((free))
Open the app (pre-installed or available on the Galaxy Store/Google Play Store). Tap the Support tab located at the bottom right corner. Select Phone Diagnostics or View Tests .
If the diagnostic menu functions perfectly but your screen glitches during normal app usage, the issue is software-based.
This is a technician-level tool designed for raw hardware testing. samsung galaxy diagnostics screen tool fixer
The test turns your screen into various solid shades that shift every time you press a physical button (like Volume Up, Volume Down, or Power).
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Open the app (pre-installed or available on the
What of Samsung Galaxy are you currently using?
: Open Samsung Members > Support > View tests (or Phone diagnostics ). If the diagnostic menu functions perfectly but your
To exit this menu at any time, swipe back twice or hold the power button to return to your normal home screen.
For many tests, you will need to interact with the screen. For example, the touchscreen test requires you to draw over the entire grid.
If your screen is completely broken but the phone still functions internally, Samsung has a solution. Connect your Galaxy device to an external monitor using a USB-C to HDMI hub adapter. Hold down both volume buttons simultaneously while connecting the adapter to your phone. Once connected, use a wired USB mouse and keyboard to navigate the mirrored display, back up your data, and enable Maintenance Mode before sending the device for professional repair.
[ACTIONS] [1] Run deep pixel scrub (60 sec) [2] Reset touch firmware [3] Force panel power cycle [4] Rewrite EDID emulation data [5] Exit — phone healed
