Well, as far as we can tell, the company achieved that by keeping minimum bezels and offering curved dual edge display on the front and the curved edge on the rear. (phoneradar.com)
It is rumored to feature a 5.5 - inch or 5.7 - inch dual edge curved display. (ibtimes.com)
Display: 5.5 - in Super AMOLED Dual edge screen Resolution: 2560x1440 @ 534 PPI Front camera: 5 MP Rear camera: 12 MP Charger type: micro USB Initial Android version: 6.0 Marshmallow Final Android version: Undetermined Release Date: March 2016 (lifewire.com)