aslo when i take a pic and come to zoom it ,,it just zoom one time at the firsst double click and when i come with 2 fingers to zoom in more it return quickly to its original size>>!!!!???
That lock with the arrow around it ()is to stop the screen from rotating. See this Apple doc for more info -> iPhone and iPod touch: Screen does not rotate
For the zoom problem, you may need to take a look at the accessibility settings on your iPhone.
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