To use zoom when taking pictures:

1. In Standby mode, press the Camera key.
2. Press the Volume key up or down. The horizontal Zoom scale displays on the screen.
3. Press the Volume key down to Zoom in on a subject.
4. Press the Volume key up to Zoom out.

The next time you press the Camera key, the camera takes an enlarged picture according to your selected Zoom setting.

If you want to zoom in on an image, double tap on the image.
If you want to zoom in or out a web page, open your browser option, choose Zoom.

These information are all available from the user manual. If you don't have it yet, it's available for download from the Samsung Character product page. Just click on the download link located on the right hand side of the page.