You can caption any photo or video you take by swiping up, tapping the “Add a Caption” field, and writing your caption or keyword.
This way, the text will be searchable later on.
How to Caption any photo or video you take by swiping up
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How to Hold finger on The keyboard to switches back to regular letters
Instead of switching back and forth between keyboards to type numbers and symbols, you can hold your finger on the “123” button, drag it to the number or character you want, and then let go.
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10 iPhone Tips and Tricks for Screenshots, FaceTime, and More
Useful iPhone tips including screen recording shortcuts, screenshot editing, keyboard tricks, and ambient sounds