What to do when mobile device has problem with charging, turning on, or boot loop

Before you try the recommendations below, be sure to check if your device's software and related apps are updated to the latest version. To update your mobile device's software, follow these steps: 

Step 1. Go to Settings > Software update.

Step 2. Tap on Download and install. 

Step 3. Follow the on-screen instructions. 

Most common reasons for a device failing to charge are: 

• Faulty cable, charger, socket or adapter
• Dirt or debris in the charging port
• Third party apps interrupting the charging
• Software update is required 

Step 1. Verify that your phone has enough charge. 

When the battery is completely discharged, your device will not turn on. Fully charge the battery using a charger supplied with the device before turning on the device.

Step 2. Verify that your phone's charging port is not damaged. 

Carefully inspect your phone to be sure that it is not overheating, swollen, or damaged. Also, inspect your phone's charging port and remove any dirt or debris. 

Step 3. Verify that you are using a compatible charger provided with the device or compatible charger. 

You risk severe damage to your phone if the charger is not the same voltage, amperes, and plug type as charger provided with the device. 

You can perform a software update, factory reset, or turn on Safe mode to determine if an app is causing the issue first. 

Option 1. Download software updates manually. 

Navigate to Settings > tap Software update > Tap Check for updates. 

Option 2. Use the Safe Mode feature to identify the app that may be causing the problem. 

You can completely power off the phone and power on the phone, press and hold down the Volume Down key to enter in Safe Mode. 

Option 3. You can do a factory reset in case of an abnormal boot loop. 

    Step 1. Boot into Android Recovery.

• If the device has a separate Bixby key: Press the Bixby, Volume up, and Power button simultaneously.
• If the device does not have a Home button or a separate Power Button: Press and hold the Volume up and Side key simultaneously.

    Step 2. Use the Volume up and Volume down buttons to select Delete all user data or Wipe data/Factory reset, then press the Power button.

    Step 3. Use the Volume up and Volume down buttons to confirm your selection, then press the Power button.

    Step 4. When the factory reset process completed, press the Power button to select Reboot device. 

    Step 5. Once your device has rebooted, enter your account details to access your device. 

If these steps do not work and your phone or tablet is still experiencing problems, contact the Service Center for service.