How to Flash a Samsung Glyde
- 1). Tap "Menu" on your home screen. Tap to select "Settings and Tools."
- 2). Select "7" for phone settings. Tap "5" for security.
- 3). Enter your lock code. Tap "Done."
- 4). Select "5" to restore your phone. Select "Yes" to have all of your pictures, messages, videos, contacts and applications deleted. Wait for the phone to restore your settings.
Source...