J.D. Power reports that overall satisfaction among smartphone owners has increased considerably over time.
Apple ranks highest among manufacturers of smartphones used primarily for personal reasons, with a score of 811, and performs particularly well in ease of operation, operating system, features and physical design. LG (776) and RIM BlackBerry (759) follow Apple in the rankings.
Among customers who use their smartphones primarily for business purposes, Apple ranks highest with a score of 803, followed by RIM BlackBerry (724)."