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