Open the app (pre-installed on most Galaxy devices). Tap the Support tab located in the bottom right corner. Tap Phone Diagnostics under the "Diagnostics" section. You will see a grid of over 20 hardware test options. Method 2: The Secret Hardware Test Code (Dialler Method)
The screen will instantly transition into a gray grid menu filled with hardware test buttons. samsung galaxy diagnostics screen tool fixer hot
If your Samsung screen feels “possessed” but isn’t physically broken, the is the hottest free fix you’ll ever use. No root, no download, no risk – just dial, tap, and revive. Open the app (pre-installed on most Galaxy devices)
To help narrow down the exact cause of your device overheating, let me know: What of Samsung Galaxy are you using? You will see a grid of over 20 hardware test options
The Screen Tool Fixer typically includes a range of tests, such as: