Cell Phone,In the 1990s, the 'second generation' mobile phone systems emerged. Two systems competed for supremacy in the global market: the European developed GSM standard and the U.S. developed CDMA standard. These differed from the previous generation by using digital instead of analog transmission, and also fast out-of-band phone-to-network signaling. The rise in mobile phone usage as a result of 2G was explosive and this era also saw the advent of prepaid mobile phones.

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Sunday, June 10, 2018

VIVO X21

VIVO X21
Specification
The VIVO X21, with its beautiful design and innovative features, strikes the perfect balance between style and technology. It comes with the In-Display Fingerprint scanning technology to provide a futuristic and secure unlocking experience. It has a 15.95 cm (6.28) 19:9 FHD+ FullView Display, with up to 90.3% screen-to-body ratio for a better viewing experience. Its Dual Pixel Sensors and AI Photography improve focus speed and boost picture clarity due to a larger pixel count. Powered by a Qualcomm Snapdragon 660 AI processor, along with 6 GB of RAM, this phone offers seamless and fast multitasking. Thanks to its 128 GB of storage space, you can now store a large number of photos, music files, videos and applications on this phone. 6 GB RAM | 128 GB ROM | Expandable Upto 256 GB 6.28 inch FHD+ Display 2x12MP (Dual Pixel Sensor) + 5MP Dual Rear Camera | 2x12MP (Dual Pixel Sensor) Front Camera 3200 mAh Li-ion Battery Qualcomm Snapdragon 660 AIE Processor
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