What is best position for my finger?

Use your left index finger for the best results as your pulse is felt strongest here. The middle of the tip of the finger should be placed over the camera lens gently so it doesn't move. Try resting your iPhone on the finger rather than pressing too hard. Everyone is different and sometimes it can take sometime to get the knack for you.

Some users also hold the corner of their phone with the thumb on top and the index finger beneath over the camera.


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