How to Fix Samsung Galaxy Z Fold 4 Black Screen of Death

The Samsung Galaxy Z Fold 4 can experience a black screen where the display is completely unresponsive to touch or button presses. This is typically caused by a software crash, drained battery, or hardware issue, and the following methods will help you fix it.

Method 1: Force Restart Your Phone

A force restart is the quickest fix for a frozen or unresponsive screen and does not erase any data.

1. Press and hold the Volume Down button and the Power (Side) button at the same time.
2. Keep holding both buttons for 10 to 15 seconds.
3. The screen will go dark and the Samsung logo will appear as the phone restarts.
4. Release both buttons when you see the Samsung logo.
5. Wait for the phone to fully boot up.

Method 2: Charge Your Phone

A completely drained battery can make the screen appear dead. The phone may not show a charging indicator for several minutes when fully depleted.

1. Connect your Galaxy Z Fold 4 to its original charger and cable.
2. Let it charge for at least 30 minutes without touching it.
3. After 30 minutes, press the Power button to try waking the screen.
4. If it still does not respond, try a force restart while the phone is plugged in.
5. Try a different charger and cable if no charging indicator appears after 30 minutes.

Method 3: Check for Physical Damage

The Galaxy Z Fold 4 has a large folding inner display that can be damaged by impacts or pressure on the hinge area.

1. Inspect the inner folding screen for cracks, lines, or discoloration.
2. Check the hinge for any physical damage or debris.
3. Test the outer cover screen. If the cover screen works but the inner screen does not, this indicates a hardware problem with the inner display.
4. If you find physical damage, take your phone to a Samsung authorized service center.

Method 4: Boot into Safe Mode

Safe Mode runs only the built-in apps. If the screen works in Safe Mode, a third-party app is causing the black screen.

1. With the phone off, press and hold the Power button until the Samsung logo appears.
2. Release the Power button and immediately press and hold the Volume Down button.
3. Keep holding Volume Down until the phone finishes restarting.
4. “Safe mode” will appear in the bottom left corner.
5. Uninstall recently installed apps one at a time to find the problematic app.
6. Restart your phone normally to exit Safe Mode.

Method 5: Wipe the Cache Partition

Clearing the cache partition removes temporary system files that may have become corrupted without deleting personal data.

1. Turn off your phone completely.
2. Press and hold the Volume Up and Power buttons simultaneously.
3. Release both buttons when the Android Recovery menu appears.
4. Use Volume Down to highlight “Wipe cache partition.”
5. Press the Power button to select.
6. Select “Yes” and wait for the process to complete.
7. Select “Reboot system now.”

Method 6: Factory Reset via Recovery Mode

A factory reset erases all data and restores the phone to factory settings. This is a last resort — back up your data if possible.

1. Turn off your phone completely.
2. Press and hold the Volume Up and Power buttons simultaneously.
3. Release both buttons when the Android Recovery menu appears.
4. Use Volume Down to highlight “Wipe data/factory reset.”
5. Press the Power button to select.
6. Select “Factory data reset” and confirm.
7. Wait for the reset to complete and select “Reboot system now.”

Method 7: Contact Samsung Support

If no software fix works, the phone likely has a hardware issue requiring professional repair.

1. Visit samsung.com/us/support and select your device.
2. Use the “Get Help” option to chat with support or schedule a repair.
3. Visit a Samsung authorized service center or uBreakiFix location.
4. If under warranty, the repair may be covered at no cost.