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Microsoft Lumia 640 dual sim packs a 5" IPS display with 720p resolution. The display enjoys Gorilla Glass 3 protection. The phone is powered by a Snapdragon 400 chipset (quad-core Cortex-A7 at
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Microsoft Lumia 640 XL LTE Review: Shines Bright With a Crisp Display, Camera's a Mixed Experience (Video) | GSMDome.com
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