Previous news showed that Smartisan Tech will hold a new conference on October 18 in Shanghai, and will formally launch its new flagship -- Smartisan T3 mobile. Well, how will the new Smartisan T3 look like is still unknown.
Smartisan T3 However, the Smartisan T3 tempered glass screen Protector can be found online. The Smartisan T3 mobile has a similar design style as the Smartisan T2 phone. Instead of the three entity buttons on the front, it is equipped with a round Home button.
Smartisan T3 Though it is still not sure whether the Smartisan T3 smartphone looks like this, in general, it has a certain reference value. 

Source from: http://www.androidmall.co.uk/blog/smartisan-t3-revealed-round-home-button/