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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