GTI9300 has been stopped on the Samsung logo after booting with the system s own update.

Hello dear Samsung users:

Depending on the situation you described, you can try the following:

1.Take out the SIM card and SD card at the same time and try to power on again.

2.When you see the "Samsung" logo icon when you reboot the device, press and hold the [Menu Key] (Left Touch-sensitive Button) until the word "Safe Mode" appears in the lower left corner of the screen, then let go, back up data (e.g., contacts, SMS, **, etc.), and restore factory settings.

3.If you can't enter safe mode or the problem persists after operation, it is recommended that you bring the three-pack certificate of your mobile phone and send your mobile phone to the nearest Samsung service center for testing and repair.

It is recommended that you apply for "appointment to store" on Samsung's official website to enjoy priority repair services

After the appointment is successful, please bring your machine, invoice and warranty card to the service center where you made the appointment on time.

Volume Up + Home + Power Enter Recovery Mode Then select these two items, Wipe Data Factory Reset --yes

wipe cache partition -yes After you have performed double clearing, use the volume keys to select: reboot system now (reboot system), then the phone will automatically restart.

If it still doesn't work, use odin to flash the machine.

Hello: According to your description, it is recommended that you try the following methods:

1. It is recommended that when the phone starts, the screen of the phone model logo appears, and press and hold the menu button to enter the safe mode.

2. After the phone enters the safe mode, please back up the important data of the phone and restore the factory settings: Settings - Reset - Factory Reset.

Method 1:

Take out the SIM card and external SD card, turn it on and off again, and try again.

Method 2; Double clear by entering recovery mode.

1.In the shutdown state, press and hold the menu button and volume + keys on the phone's home screen at the same time.

2.Release the keys when the screen lights up and wait for the recovery mode to enter.

3.Use the Volume+ and Volume—keys to adjust the bright bar to "Wipe Data Factory Reset", i.e. "Clear Data Restore Factory Settings", and press the Power button to confirm.

4.Use the Volume+ and Volume—keys to adjust the light bar to "yes, delete all user data" and press the power button to confirm.

5.Wait for a while until the screen appears, select "Reboot System Now" to restart your phone, and press the power button to confirm.

6.Wait for your phone to reboot into the system.

Method 3: If the firmware is damaged, you need to go to a professional repair point to flash the device and re-flash it.

Method 4: If the above methods are invalid, you can only go to a nearby Samsung maintenance point to check whether the motherboard or other hardware is broken.

Hello: According to the situation you described, it is recommended that you try the following:

1.Use a cable to charge it for a period of time and try to turn it on, or replace a mobile phone battery of the same model.

2.Take out the SIM card and SD card at the same time and try to power on again.

3.If the issue persists, it may also be related to third-party software that you have installed yourself**. When you see the "Samsung" differential mode logo icon when you reboot the device, quickly click the menu button until the word "Safe Mode" appears in the lower left corner of the screen, and then let go, enter the settings and uninstall some self-** applications, and then turn off the computer and reboot it.

4.If you still can't turn on the phone after uninstalling the app, you can follow the above methods to enter the "safe mode" and back up your data (for example: contacts, text messages, **, etc.) and restore the factory settings.

5.If you can't enter the safe mode and can't turn it on, it is recommended that you bring the mobile phone three packs certificate and send the mobile phone to the nearest Samsung service center for testing and maintenance

Hello and welcome to the Samsung Digital Services platform.

I hope it can help you, you are welcome to ask questions on the Samsung platform, I wish you a pleasant visit!