The SAMSUNG mobile phone of GS4 I9500 always displays the boot animation "Samsung" and flashes blue light.

According to the situation you described, you can try the following:

1. Try to charge the phone with the line for a while, or replace it with a battery of the same model.

2. Take out the SIM card and SD card at the same time, and then try to turn it on.

3. If the problem still exists, the phone can see the boot screen, or it may be related to the third-party software you downloaded and installed yourself. When you see the "SAMSUNG”Logo icon when you restart the machine, please press and hold the menu key (left touch sensitive key) until the words" Safe Mode "appear in the lower left corner of the screen, then let go, enter the setup uninstall section to download the application yourself, and then shut down and restart the machine.

4. If you still can't boot after uninstalling the application, you can back up data (such as contacts, text messages, photos, etc. After entering the "Safe Mode" in the above way, the factory settings will be restored.

5. If you can't enter the safe mode and start the mobile phone, it is recommended that you take the three-guarantee certificate of the mobile phone and go to the nearest Samsung service center for inspection and maintenance. For more information about the service center, please visit:

. Samsung . com/support/service locations . ASP