Edge-to-edge display still reigns supremeThe slick ‘infinity display’ introduced with the S8 is still present with the S9 and S9 Plus, with minimal design changes to an already winning formula. The S9 camera can switch between two apertures, with the option for 28pc more light availability in dark conditions and less for glaringly bright days. Your choice of authenticationThe new phone offers three forms of biometric authentication: iris, fingerprint and facial recognition. Those who get their orders in before 7 March will get their hands on the S9 by 9 March. The technology powering smartphones has plateaued of late, but snap-happy users may be tempted by the exciting new photography options.