Si tu Samsung Galaxy J4 If you are experiencing slowness, unexpected failures or want to sell or give it away and want to protect your personal information, performing a format, reset or Hard Reset is a effective solutionThis process not only removes errors and frees up space, but also restores your device to its original settings, leaving it as good as new. Below, we'll explain in detail how to format and reset your Samsung Galaxy J4 step by step, including essential recommendations and safety tips so you don't lose important data in the process.

Methods to format a Samsung Galaxy J4, reset, restart and Hard Reset
There are several reliable and effective ways to return your Samsung Galaxy J4 to its factory state. Below, we offer a complete guide on the official options and reset alternatives, so you can choose the one that best suits your situation.

Reset a Samsung Galaxy J4 through the Settings menu
The simplest method recommended by Samsung is to use the reset options from the System Settings menu. It is ideal if the device has slow performance, apps crashing or if you're going to transfer it to another person, as long as you can access the system normally. For more details on how to perform this process, you can consult our guide at How to format, reset, and hard reset a Samsung Galaxy J4.
- With the phone on, access Settings.
- Go to General Administration.
- Choose Resetting and then Factory data reset.
- press Resetting.
- Confirm by tapping Erase everythingThe phone will reboot and all personal data, apps, and settings will be erased.

Important warning: Before proceeding, make a Backup of your contacts, photos, files and any relevant information stored in the internal memory. You can use Samsung Cloud, Google Drive or a computer to safeguard your data and restore it later.

Format a Samsung Galaxy J4 using buttons, Recovery menu – Hard Reset
If your Samsung Galaxy J4 is not responding, is blocked, you cannot access the operating system or you have forgotten the security pattern or PIN, you can use the hard Reset or reset via the Recovery menu. This mode provides a solution when the traditional method isn't possible. For more information on how to perform this process, see How to fix forgotten pattern and password issues on Android.
- Turn off your mobile phone completely.
- Press and hold the buttons Volume Up + Power simultaneously.
- Release the buttons when you see the Samsung logo.
- When the Android logo appears, tap the screen if necessary.
- Using the volume buttons, navigate to wipe data / factory reset and confirm with the power button.
- Choose Yes – Delete all user data to confirm the deletion.
- Finally, choose Reboot System NowThe terminal will reboot with default settings.

Nota: This process eliminates all content stored on the device, except for data on the SIM and microSD cards. If you need to preserve information, remove the microSD card before formatting or make a backup copy.
Soft Reset or forced restart of the Samsung J4
It is not always necessary to perform a factory reset. If your Samsung Galaxy J4 has Temporarily frozen, does not respond to commands or you notice a slight fault, try the soft reset before proceeding with more drastic methods. This procedure does not erase personal information or settings.
- Hold down the power button between 5 and 10 seconds.
- The screen will turn off. Wait a few seconds.
- Let the phone restart automatically.
- Check if it has returned to normal operation.

Frequently asked questions before formatting a Samsung Galaxy J4
You may have questions about the effects of the reset. Here we answer some of the questions. most common questions:
- Will I lose everything on my phone? Yes, everything stored on the internal memory is deleted. To preserve photos, contacts, and documents, make a backup before you begin.
- Does it affect the SIM or microSD card? Formatting does not erase data from the SIM or microSD card. However, it is recommended to remove the microSD card first as a precaution.
- Should I delete my Google account? If you're selling or giving away your phone, remove your Google account to avoid being blocked by Google FRP (Factory Reset Protection).
- Can data be recovered after a reset? No, after a hard reset the data is unrecoverable unless you have a previous copy.

Recommendations and considerations after the reset
After restoring your Samsung Galaxy J4 to factory mode, we recommend that you perform a basic initial configuration:
- Connect to a secure Wi-Fi network to download updates.
- Sign in with your Google and Samsung accounts to restore backups, settings, and apps.
- Updates the system to improve security and performance.
- Restore your backup, if you made one previously.
Formatting or resetting the Samsung Galaxy J4 is a useful procedure to resolve errors, improve performance, or clean your phone before changing hands. By following these steps and recommendations, you can carry out this process safely. to maximise security and your enjoyment. and effectiveness. If you've already reset your device, share your experience in the comments section to help other users.