The Zauba website spotted pair of unknown Lumia devices on the website. Several week ago One anonymous Microsoft employee claimed that Microsoft Planning to launch successor of Microsoft Lumia 830.
As from the Zauba website both devices have same display size 5.7 inch screen , But one of them is Dual sim and another is single sim Support. So from that it might be two variant of Microsoft Lumia 840 and 840 XL. According to previous report that the upcoming successor of Lumia 830 device sport 5 inch dispaly , 13-14 MP rear Pureview Camera and 5MP selfie shooter. The design might be same as Lumia 830.
From the Zuauba site, both devices are imported in India for testing. So that it is possible that before launching windows 10 with flagship device Microsoft soon launch this two variant soon. Microsoft Launch Next Flagship Lumia Device Alongside Windows 10 as from the report. It is not good news for few peoples who are waiting for Windows 10 pre- installed Lumia device.