Cell phone owners are ringing the changes and putting a smile on their dial by adorning their mobiles with ornamental stickers, charms and beads -- and the craze just keeps getting bigger.

Evan Forster of Boerum Hill, Brooklyn, has a habit of misplacing his cell phone. It tended to blend into the leather seat of a taxicab or even in his car. For his 40th birthday, in April, business … ...