NewsLeaks / GrapevinesWindows Phone NewsWindows Phone Devices Lumia 535 (RM-1090 / RM-1091 / RM-1089 / RM-1092) confirmed specs & features at our dedicated page By Nayan - November 6, 2014 3 The Tenaa entry reveals major specs and features of RM-1090, the Dual-Sim variant of Microsoft Lumia 535, the first Lumia with Microsoft branding. Read all the specs and features at our dedicated page. Thanks Xio-Feng for the tip. Cheers!! Source Share this: