If your Samsung Galaxy A03 Core smartphone is running slowly, freezing, or you have a full memory and want to erase everything, sell it, or give it away, and you don't want anyone to have access to your files and passwords, you can perform a factory reset to restore it to its original state.

1. Open the Settings app on your phone.
2. Scroll down and select "General management."
3. Tap on "Reset."
4. Choose "Factory data reset" or "Reset settings."
5. If prompted, enter your PIN, password, or pattern to proceed.
6. Review the information about what will be deleted/reset.
7. Confirm your selection by tapping on "Reset" or "Reset device."
8. If prompted, enter your Samsung account password to verify your identity.
9. Wait for the reset process to complete. Your phone will restart automatically.

Please note that performing a factory reset will erase all data on your device, including apps, settings, contacts, and media files. Make sure to back up any important data before proceeding with the reset.

Before performing a factory reset, we recommend that you delete all of the device's accounts, particularly the Google account, if you want to sell, give, or donate your Galaxy A03 Core. 

We will avoid problems for the new user in this manner because certain more modern devices include a feature known as FRP or Factory Reset Protection, which requires the same Google account or PIN code with which the Samsung Galaxy A03 Core was initially configured when restoring a device from the factory.

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If you do not want to erase the device's data, you can try restarting the Samsung Galaxy A03 Core.
You can perform a re-initialization on a Samsung Galaxy A03 Core in two ways: one through the mobile choices and another through the full recovery mode.

How to Reset Samsung A03 Core:

1-Backup Your Data:

Before performing a reset, it's crucial to back up your data, including contacts, photos, videos, and any other important files. You can use Samsung's built-in backup features or third-party backup solutions.

2-Navigate to Settings:

Open the "Settings" app on your Samsung A03 Core. You can usually find it in the app drawer or by swiping down from the top of the screen and tapping the gear icon.

3-Access General Management:

Scroll down in the Settings menu and tap on "General Management." This option might be located towards the bottom of the list.

4-Select Reset:

Within the General Management menu, look for the option labeled "Reset" or "Reset Options." Tap on it to proceed.

5-Choose Factory Data Reset:

In the Reset menu, you should see several options for resetting different aspects of your phone. Look for "Factory Data Reset" or "Reset All Settings" and tap on it.

6-Confirm the Reset:

You will likely be prompted to confirm that you want to erase all data on your device and restore it to its factory settings. Review the information carefully, and if you're sure you want to proceed, confirm your choice.

7-Enter Your Password/PIN:

Depending on your security settings, you may need to enter your PIN, pattern, or password to confirm the reset.

8-Wait for the Reset:

Once you've confirmed the reset, your Samsung A03 Core will begin the process. This may take a few minutes, and your device will restart automatically.

9-Set Up Your Device:

After the reset is complete, your Samsung A03 Core will be restored to its original factory settings. You'll need to go through the initial setup process again, including selecting your language, connecting to a Wi-Fi network, and signing in with your Google account.

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