First of all open camera,and for that tap the camera icon on iphone home screen or swipe left.Ypu can also access the camera by touching and holding the camera icon on the lock screen and even instucting Siri to do so by saying"Hey Siri open camera"
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To take a selfie with an iPhone, switch to the front-facing camera and press the onscreen shutter button or volume button.Most recent iPhone models also provide an arrow inside the frame to increase field view
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To take a selfie-steps: Tap the camera chooser Back-Facing button to switch to the front-facing camera. Hold your iPhone in front of you.
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On iPhone 11, iPhone 12, iPhone 13, and iPhone 134, tap the arrows inside the frame to increase the field of view. Tap the Shutter button or press either volume button to take the shot or start recording.
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To take a selfie that captures the shot as you see it in the front-facing camera frame,rather than reversing it go to setting > camera, then turn on mirror front camera or mirror front Photos
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By swapping right or left various modes of camera can be accessed easily, one can record video, make time lapse videos and there is also a slow motion effect that can be tried.
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for a wider view, the panoramic landscape feature can be used. Portait mode helps you to use the depth of the surroundings
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photos with a square ratio can be taken by tapping on and after that you can choose between different square ratios.
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To take a close up or a distant view we can use zoom in or out by simply opening camera and pinching in or out on the screen.