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How do I turn on the Burst shot feature on my Samsung Galaxy S III?
To turn Burst shot on, from the Camera app, touch Settings > Burst shot > On. You may see a message letting you know that Burst shot photos will be stored on your device's internal memory; touch OK. Touch Back to return to the capture screen. To capture photos using Burst shot, touch and hold the camera shutter button. The photos will be saved to the Gallery.
Note: Burst shot photos will continue to be saved to your device's internal memory even if you have installed a microSD™ card and have set the camera to use the microSD card for storage.