Microsoft introduces Lumia 540 Dual SIM: crafted details and crisp, clear HD for under $150
– With 5-megapixel front-facing camera for superb selfies and Skype video calls. REDMOND, Washington, April 15, 2015 /PRNewswire – Microsoft Corp. on Tuesday unveiled the Lumia 540 Dual SIM, designed for young, ambitious people looking for their first serious smartphone. The Lumia 540 Dual SIM features the latest Windows Phone 8.1