The right edge of the handset houses all of the phone's physical buttons, with a volume rocker and the power button just below it. (techradar.com)
Moreover, the streamlined side edges of the handset made it easier to grip the handset. (killerfeatures.com)
An extremely subtle rim runs along the front edge of the handset that gives the phone a very slight lift to aid in preventing scratches. (fonearena.com)