How to Fix It If Samsung Galaxy S25 Ultra Won’t Turn On

If your Samsung Galaxy S25 Ultra won’t turn on, the issue could be caused by a drained battery, software glitches, or hardware failure. Here are several troubleshooting methods to get your device working again.

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1. Charge the Phone Properly

A completely drained battery can prevent the phone from turning on.

1. Plug your phone into a Samsung-certified charger and wait at least 10 minutes.
2. Make sure the charging cable and adapter are in good condition.
3. Try a different power outlet and USB-C cable.
4. Look for the charging indicator on the screen.

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2. Perform a Force Restart

A force restart can resolve system crashes that prevent the phone from turning on.

1. Press and hold the Power button and Volume Down button simultaneously for about 10-15 seconds.
2. Release the buttons when the Samsung logo appears.
3. If the phone remains off, try the steps again after charging for a few minutes.

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3. Check for Physical or Water Damage

Damage to the device could prevent it from powering on.

1. Inspect the phone for any cracks, dents, or signs of water exposure.
2. If the device was exposed to water, dry it completely before attempting to turn it on.
3. If there’s visible damage, contact Samsung Support for professional repair.

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4. Try Booting into Safe Mode

Safe Mode can help determine if a third-party app is causing the issue.

1. 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 until the device finishes restarting in Safe Mode.
4. If the phone turns on, uninstall any recently installed apps that may be causing the issue.

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5. Boot into Recovery Mode and Wipe Cache Partition

Corrupted system files can prevent the phone from turning on properly.

1. Press and hold the Power button and Volume Up button simultaneously.
2. Release the buttons when the Samsung logo appears, and wait for Recovery Mode to load.
3. Use the Volume buttons to navigate to Wipe Cache Partition and press the Power button to select it.
4. Once the process is complete, select Reboot System Now.

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6. Check the Charging Port

A faulty charging port may prevent the battery from charging properly.

1. Use a flashlight to check for dust or debris inside the charging port.
2. Clean the port gently using a soft brush or compressed air.
3. Try charging the phone again and see if it turns on.

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7. Remove Any Accessories

Connected accessories may interfere with the power-up process.

1. Disconnect earphones, external USB devices, and SIM/memory cards.
2. Attempt to power on the device again.
3. If the phone turns on, reconnect accessories one by one to identify the problematic one.

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8. Use a Wireless Charger

A damaged charging port might prevent the phone from charging normally.

1. Place your phone on a Samsung-certified wireless charger.
2. Wait a few minutes to see if the phone starts charging.
3. If the phone powers on, the USB charging port might need repair.

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9. Update the Firmware via a PC (Samsung Smart Switch)

If the phone doesn’t turn on normally, updating the firmware through a computer might help.

1. Download and install Samsung Smart Switch on your PC.
2. Connect your phone to the PC using a USB-C cable.
3. Open Smart Switch and check if the phone is detected.
4. If prompted, follow the steps to update or repair the software.

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10. Contact Samsung Support

If none of the above solutions work, there may be a serious hardware issue.

1. Visit the official Samsung Support website.
2. Schedule a repair appointment at an authorized Samsung service center.
3. Provide details about the issue and any troubleshooting steps you’ve tried.

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These methods should help resolve issues with your Samsung Galaxy S25 Ultra not turning on. If the problem persists, professional repair may be required.