The Microsoft Lumia 540 is a low-cost smartphone from the Microsoft Lumia family.Microsoft Lumia 540 Dual SIM is official with 5-inch 720p display and 1GB RAM for $150
Unlike its predecessor, the Lumia 540 is equipped with a 720p display, but otherwise has internal specifications similar to earlier devices in the Lumia 5xx series. It comes pre-installed with Windows Phone 8.1 Update 2 (with Lumia Denim firmware).
Due to its position as a low-cost device, the Lumia 540 is only available in Italy, India, the Middle East, Africa, and Asia.
Specifications
Hardware
The Lumia 540 has a 5.0-inch IPS LCD, quad-core 1.2 GHz Cortex-A7 Qualcomm Snapdragon 200 processor, 1 GB of RAM and 8 GB of internal storage that can be expanded using microSD cards up to 256 GB. The phone has a 2200 mAh Li-ion battery, 8 MP rear camera and 5 MP front-facing camera. It is available in orange, white, black, grey and blue.
Software
The Lumia 540 ships with Windows Phone 8.1 with Lumia Denim update.
Reception
The Microsoft Lumia 540 Dual SIM was well received but was criticized for not offering an upgrade over earlier devices from the Lumia 5xx series.Microsoft Lumia 540 review: Great battery but the camera disappoints - The Economic Times
See also Microsoft Lumia Microsoft Lumia 535 Microsoft Lumia 550 Microsoft Lumia 640
References