If I am not considering Microsoft Lumia 640 xl black then should I consider Microsoft Lumia 950 dual sim? Is Microsoft Lumia 950 a smartphone worth to buy?

I want to buy Microsoft Lumia 830, and some people suggested me to refer GSMArena. Is GSMArena some kind of app which compares the prices? How is it helpful – Microsoft Lumia 830 GSMArena?

I want to buy Microsoft Lumia 730, and it is currently unavailable on Amazon and Flipkart too. I want to know if I would be able to buy Microsoft Lumia 730 Snapdeal.

I am interested in buying Microsoft Lumia 730 dual sim, but I don’t know about its features and configurations. I am a bit confused. Tell me about Microsoft Lumia 730 dual sim features?

If I am not considering Microsoft Lumia 640 xl black then should I consider Microsoft Lumia 730 dual sim? Is Microsoft Lumia 730 a smartphone worth to buy?

If I am not considering Microsoft Lumia 640 then should I consider Microsoft Lumia 640 xl black and its price? Is Microsoft Lumia 640 xl black a smartphone worth to buy?

I am interested in buying Microsoft Lumia 640 dual sim, but I don’t know about its features and configurations. I am a bit confused. Tell me about Microsoft Lumia 640 dual sim features?

If I am not considering Microsoft Lumia 540 then should I consider Microsoft Lumia 630 dual sim? Is Microsoft Lumia 630 a smartphone worth to buy?

I wanted to buy Microsoft Lumia 540, but I don’t know how much popular it is in the market. Also, some are saying that no one purchases it now. I want to know about the popularity of Microsoft Lumi

I want to buy Microsoft Lumia 540 and some people suggested me to refer GSMArena. Is GSMArena some sort of app which compares the prices? How is it helpful, Microsoft Lumia 540 GSMArena?