If your Samsung Galaxy S25 Ultra unexpectedly turned off and won’t power back on, the issue could be caused by software crashes, battery problems, or hardware failures. Below are multiple solutions to help bring your device back to life.
- 1. Charge Your Phone and Check the Charger
- 2. Perform a Forced Restart
- 3. Check for Physical or Water Damage
- 4. Boot into Recovery Mode
- 5. Check for a Faulty Power Button
- 6. Try Wireless Charging
- 7. Remove the SIM Card and Memory Card
- 8. Connect to a Computer
- 9. Let the Battery Drain Completely and Recharge
- 10. Contact Samsung Support
1. Charge Your Phone and Check the Charger
A completely drained battery might prevent the phone from turning on.
- Connect your phone to a Samsung-certified charger.
- Let it charge for at least 30 minutes.
- If the charging indicator doesn’t appear, try a different cable and adapter.
- After charging, press and hold the Power button to check if it turns on.
2. Perform a Forced Restart
A forced restart can resolve system crashes preventing the phone from booting.
- Press and hold the Power button and Volume Down button together for 10–15 seconds.
- Release both buttons when the Samsung logo appears.
- Wait for the phone to boot up completely.
3. Check for Physical or Water Damage
External damage could prevent the phone from turning on.
- Inspect the device for cracks, dents, or liquid exposure.
- If water damage is suspected, place the phone in a dry, ventilated area for 24 hours.
- Do not attempt to turn on the device until it is fully dry.
4. Boot into Recovery Mode
If the phone is unresponsive, you can try booting into Recovery Mode to restart it.
- Press and hold the Volume Up and Power button simultaneously.
- Release the buttons when the Samsung logo appears.
- Use the Volume buttons to navigate to Reboot System Now.
- Press the Power button to confirm and check if the phone turns on.
5. Check for a Faulty Power Button
A malfunctioning power button could prevent the phone from turning on.
- Press the Power button multiple times to ensure it isn’t stuck.
- If the button is unresponsive, try using Bixby Voice or a USB-C dock to turn on the phone.
- If the issue persists, professional repair may be required.
6. Try Wireless Charging
If your charging port is damaged, wireless charging might still work.
- Place your phone on a Samsung-compatible wireless charger.
- Wait for at least 30 minutes to see if the charging icon appears.
- If the phone charges, the issue may be with the charging port or cable.
7. Remove the SIM Card and Memory Card
A faulty SIM or SD card can sometimes cause boot failures.
- Use a SIM ejector tool to remove the SIM card and SD card.
- Try turning on the phone without them.
- If it turns on, insert the cards back one at a time to identify the faulty component.
8. Connect to a Computer
Your phone might still be operational even if the screen doesn’t turn on.
- Connect the phone to a computer using a USB-C cable.
- Wait for the computer to detect the device.
- If detected, back up your data immediately and restart the phone.
9. Let the Battery Drain Completely and Recharge
Draining the battery entirely can sometimes resolve power-related issues.
- Leave the phone unplugged for 24 hours to allow the battery to drain.
- After 24 hours, charge the phone for at least one hour.
- Try turning it on again.
10. Contact Samsung Support
If none of the above solutions work, professional repair may be needed.
- Visit the official Samsung Support website.
- Schedule an appointment at an authorized Samsung service center.
- Explain the issue and follow any troubleshooting steps provided by support.
These troubleshooting steps should help revive your Samsung Galaxy S25 Ultra. If the problem persists, it may require professional repair or a battery replacement.
