Dial *#0228# to see detailed battery ADC readings and voltage info. Professional Local Repair Options
Hold the power-off icon on your screen until "Safe Mode" appears. Booting into Safe Mode disables third-party apps, allowing you to see if a downloaded app is causing the screen lag. Scenario B: The Screen Fails the Diagnostic Tests
There are two primary ways to access these tools on your Samsung Galaxy. Method 1: Via the Samsung Members App (Recommended) This is the official, user-friendly method.
security feature might prevent this code from working. Disable it temporarily in Settings > Security and privacy > Auto Blocker to access the menu. 2. Official Samsung Members Diagnostics samsung galaxy diagnostics screen tool fixer hot
How to Run Diagnostics on Your iPhone or Android Phone | PCMag
Once you enter the diagnostics screen, you will see a variety of rectangular buttons. Each button acts as an isolated fixer tool for a specific hardware component.
Note: This code may be disabled by certain mobile carriers (like Verizon or AT&T). If nothing happens, use Method 2. Method 2: The Samsung Members App Dial *#0228# to see detailed battery ADC readings
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)
There are several benefits to using the Samsung Galaxy Diagnostics Screen Tool Fixer, including:
The XDA Developers forum is a primary source for this modified tool, originally shared by user Reonz . It's essential to understand that this is ; it's a sophisticated computer program requiring specific steps to use. Scenario B: The Screen Fails the Diagnostic Tests
If the tool displays a "Life" status of "Action Required" or "Bad," your battery has degraded. The only permanent fix for the heat is getting the battery replaced at an authorized service center. 2. Test the Charging Status
Once inside the *#0*# menu, several specific modules are dedicated entirely to display calibration and touch fidelity.
This will immediately open a white screen with various diagnostic buttons (Red, Green, Blue, Touch, etc.). Note: This menu is more technical and focuses on hardware checks. How to Use Diagnostics to Fix a "Hot" Galaxy
Samsung Members provides a comprehensive self-diagnostic tool that can check over 24 different phone functions and components. To access it:
Draw across the grid to find unresponsive "dead zones" on your digitizer.