Distinguished Magazine - - INNOVATION -

One of the high­lights in the Snap­dragon 855 will be the on-screen fin­ger­print scan­ner that im­proves upon the two di­men­sional un­lock sys­tem in its pre­de­ces­sor. Un­like the Snap­dragon 845 which es­sen­tially takes a photo of the fin­ger and matches to a saved im­age, the lat­est chipset will use Qual­comm 3D Sonic Senor to un­lock smart­phones. The sonic waves bounce of the fin­ger, even the tiny pores and ridges and cre­ates a 3D map, in turn fa­cil­i­tat­ing un­lock­ing a smart­phone even if there is some wa­ter or grease on your fin­ger. This, in turn will make the fin­ger­print scan­ner more se­cure and dif­fi­cult to hack the sen­sor. While it is up to the smart­phone mak­ers to in­clude this fea­ture, it has been an­nounced that the Sam­sung Galaxy S10 will be the first phone among other up­com­ing flag­ships to in­clude this fea­ture.

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