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Lumia 640 is the name of RM-1072 & its family of variants. Key specs, probable pricing & launch date

Lumia 640The RM-1072 and its family of variants may be called Lumia 640 / Lumia 645, when they will be launched gets revealed via two recent certifications. The certification in Brazil for RM-1109 reveals that the Lumia 640 Dual-Sim has a unique battery model BV-T5C.

Now, RM-1072 and RM-1077 that have just passed certification at FCC reveals that these two have the same battery BV-T5C.

RM-1072 FCCSo, it seems quite clear how Microsoft’s new Lumia naming scheme will bring mid-range specs to lower-mid range. We had exclusively reported about RM-1072 & its family (RM-1075, RM-1077) details as coming with 8.7 MP camera, 8 GB storage and with 5-inch, 720p display. Read more about it here.

We also confirmed that it will have a Dual-Sim variant and RM-1077 was caught getting tested in India. RM-1072 has already passed certification in Indonesia. Now the FCC certification also reveals Lumia 1072 as the LTE and RM-1077 as the Dual-Sim variant.

Have a look at all the details that we know about Lumia 640 and its variants below. Apart from Lumia 1072 and Lumia 1077, variants RM-1074 and RM-1075 have also been caught getting tested.

Lumia 640 Price & specifications:

5-inch, 720p display


Dual-Sim / LTE

Quad-core Snapdragon 400 processor

8.7 MP rear camera ( May be PureView unit from Lumia 920 / Lumia 925)

0.9 MP FFC

8 GB internal storage

MicroSD card support

Wireless charging cover support


Lumia 640 may be priced around USD 275 on release but the pricing may change a bit later depending upon the markets. The device may get unveiled at upcoming MWC event for which Microsoft has already confirmed participation.

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Nayan has more than 10 years of experience of covering Technology and innovations. He is a big Nokia fan and Tech disruptions aficionado. He loves to review new cool gadgets and writing about Android, iOS, Gadgets and general Technology stuff. He has been associated with other well-known Tech sites WinCentral and GadgetOx since long. He currently sports a Lumia 950 XL and Nexus 5X. Other interests include listening to Nu-Metal Hits and Kick-Boxing. Write to him at Email: [email protected]