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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 LTE Dual SIM full specifications, pros and cons, reviews, videos, pictures - GSM.COOL
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Microsoft Lumia 640 XL Dual Sim Blue packs a 5.7" display with 720 x 1280 pixel resolution, 1.2GHz Qualcomm snapdragon processor
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