Remember your old landline phone the length of the handset is eight inches, smartphones and cell phones are finally catching up to the old ringers. According to Strategy Analytics notes that the size of smartphone have outgrown the original 3.5" iPhone by quite a bit.
Last year in the second half of the year, existing smartphone owners were most likely to be interested in devices with a screen size between 4.2” and 4.7” with 4.5” was the most-wanted size.