How to Reset Android to Factory Settings

Complete guide to factory reset your Android device. Backup data, access recovery mode, and restore your phone to original settings safely.

1. Back up your important data. Open Settings > Google > Backup and enable 'Back up to Google Drive' if not already active. For photos, ensure Google Photos sync is enabled. Copy important files to external storage or cloud services. Note that app data, messages, and call logs will be permanently lost.
2. Remove your Google account. Go to Settings > Accounts > Google and tap your account. Select 'Remove account' and confirm. This prevents Factory Reset Protection from locking you out after the reset. If you skip this step, you'll need the same Google credentials to set up the device again.
3. Access the factory reset option. Navigate to Settings > System > Reset options > Erase all data (factory reset). On older Android versions, look under Settings > Backup & reset > Factory data reset. Samsung devices use Settings > General management > Reset > Factory data reset.
4. Confirm the factory reset. Tap 'Erase all data' or 'Reset phone' and enter your PIN, pattern, or password when prompted. Review the warning message about data loss. Tap 'Erase everything' or similar confirmation button. The device will begin the reset process immediately.
5. Wait for the reset to complete. Keep the device connected to power during the reset process. The phone will restart multiple times and display the Android logo or manufacturer boot screen. The entire process takes 10-30 minutes depending on your device model and storage amount.
6. Complete initial setup. When the reset finishes, the device boots to the initial setup screen. Select your language, connect to Wi-Fi, and sign in with your Google account. Choose whether to restore from backup or set up as new device. Follow the remaining setup prompts.