Best T-Mobile Cell Phones - 5 to 10 inch Screen Size(Diagonal), ~Android.*|.*iPhone OS.*|.*Windows.*|BlackBerry.* Operating System, 2.0 to 3 GB Installed RAM (GB), 329 to 459 ppi Pixel Density, with A-GPS GPS Capability, Most Expensive
'The Windows Phone OS has a smaller app market, the handset's battery is nonremovable, and like the Android M8s before it, photos aren't as sharp as those from its competitors.'
'Premium construction that looks very different from other Windows Phones.'