Why won't my Samsung Galaxy phone power on?

Learn how to troubleshoot Samsung Galaxy phones that won't power on due to dead batteries, charging issues, hardware damage, or software glitches.

If your Samsung Galaxy phone won't power on, the issue is often related to battery life, charging problems, or hardware damage. Follow these steps to diagnose and resolve the problem effectively.

1. Why won't my Samsung Galaxy phone turn on?

A Samsung Galaxy phone failing to power on can result from several common causes, including a completely drained battery, faulty charging equipment, or hardware issues. Below are the most frequent reasons and solutions.

- The battery is fully discharged and needs time to charge before the device powers on.

- The charging cable, adapter, or power source is defective or incompatible.

- The charging port is clogged with dirt, debris, or moisture.

- The device has experienced physical or liquid damage affecting internal components.

- A software crash or system error prevents normal startup.

2. How to charge a Samsung Galaxy phone that won't turn on

If your phone won't power on, start by charging it using a Samsung-certified charger and cable. A fully drained battery may take several minutes to charge enough to power on.

1. Connect your phone to a wall outlet using a Samsung-certified charger and cable.
2. Wait for at least 30 minutes to allow the battery to charge sufficiently.
3. After charging, press and hold the Power button to attempt turning on the device.

Note: Charging via a computer or low-power USB port may not provide enough power to charge the device quickly. Always use a wall outlet for faster results.

3. What should I check if my Samsung Galaxy phone still won't power on?

If charging doesn't resolve the issue, follow these steps to identify and fix the problem:

1. Inspect the charging equipment: Ensure the charger, cable, and power outlet are working properly. Try using a different Samsung-certified charger to rule out equipment failure.
2. Clean the charging port: Dirt or debris in the charging port can prevent proper charging. Power off the device, inspect the port with a flashlight, and gently blow out any debris. Avoid using sharp objects.
3. Check for physical or liquid damage: Inspect the phone for cracks, swelling, or signs of water exposure. Liquid damage can cause internal components to malfunction.
4. Perform a forced restart: Press and hold the Side key and Volume Down key simultaneously for more than 7 seconds until the Samsung logo appears.

If the phone enters Maintenance Boot Mode instead of restarting, use the Volume Up and Down keys to select "Normal Boot" and press the Side key to confirm.

4. When should I contact Samsung Support?

If your Samsung Galaxy phone still won't power on after trying the above steps, the issue may require professional repair. Contact Samsung Support or visit a Samsung Service Center for assistance.

Supported Samsung Galaxy devices: Galaxy S24, Galaxy S25, Galaxy S26, Galaxy Z Fold, Galaxy Z Flip, Galaxy A series.

Related Samsung support topics

- How to troubleshoot charging issues on Samsung Galaxy devices

- How to clean the charging port on a Samsung Galaxy phone

- How to perform a forced restart on a Samsung Galaxy device