Have you ever typed out a bunch of words on your iPhone and wanted to go back and delete, change or insert something? There is an easy way to do it.
Just put your finger on the word or place you want to change, and leave/hold it there for a second or so, and a little magnifying glass will pop up. Without taking your finger off the screen, just move your finger left, right, up or down, and you will see the cursor inside the magnifying glass moving around the text. Just move the cursor to the place you need it to be, take your finger off the screen, the magnifying glass disappears and your cursor is right where you need it to be to make your changes.