How do I delete all of my personal information from my device?

Last Update date : Apr 28. 2026

Before selling or switching your Galaxy device, it is important to remove all personal data. This can be done by backing up your data, removing accounts, and performing a factory data reset.

Back up your data before a factory data reset

 

3. Connect your device to the PC using a USB cable.

4. Tap Allow on your device when prompted.

5. On the PC, select Backup.

6. Wait for the backup process to complete, then click OK.

1. Download Smart Switch on your PC.

2. Install and open Smart Switch.

Welcome to Smart Switch

 

3. Tap Allow on your device when prompted.

Allow access to phone data

 

4. On the PC, select Backup.

data backup

 

6. Wait for the backup process to complete, then click OK.

data backup

Step 6. Your PC will automatically start the backup process. Depending on the size of data to back up, it may take a few minutes. Once completed, click on OK.

data backup

Note:

  • Some items like Secure Folder or hidden files may not be backed up.

Check 2. Delete a Google account

Remove google account Remove google account

1. Go to Settings and tap Accounts and backup.

manage account manage account

2. Tap Manage accounts.

remove account remove account

3. Select your Google account.

remove account remove account

4. Tap Remove account.

remove account remove account

5. Confirm by tapping Remove account again.

Note: Remove all Google accounts to avoid verification issues after reset.

Perform a factory data reset

manage account manage account

1. Go to Settings and tap General management.

reset reset

2. Tap Reset.

Factory data reset Factory data reset

3. Select Factory data reset.

Factory data reset 2 Factory data reset 2

4. Review the information and tap Reset.

data delete data delete

5. Tap Delete all.

All personal data stored on the device will be permanently deleted.

Notes

  • A factory reset removes apps, files, and personal data from internal storage.
  • Data stored on an SD card is not deleted automatically; remove or format it separately.
  • Factory Reset Protection (FRP) may require your Google account credentials after reset.
  • Make sure you remember your account details before resetting the device.
  • Device menus may vary depending on model and software version.

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