This phone switches to black and white screen when  battery is low
By Vishnu  Anand
Banagalore,  May 11 2015: Gionee’s 2015 flagship – the Elife S7 – comes with a variety of enhancements aimed at better performance using lower power. The S7  is aesthetically appealing, but built using tough aviation grade metal and glass.
It features a unique U-shaped frame design inspired by railway tracks – two parallel metal lines that house the side buttons, in a glossy shell. The idea is to make the phone one-hand-use friendly  and eliminate possibilities of bending in  tight pockets. The device is 5.5mm thick and comes with a 5.2-inch full HD Super AMOLED display.
Gionee claims that the S7 is the world’s first dual-SIM dual 4G, all-band compliant phone. But what really makes the device an interesting choice,  is its proprietary battery technology. The moment the battery charge  is down to 10%, the S7 automatically shifts into an ‘extreme mode’, where the screen turns black and white with reduced functionality  and continues this way for up to 33 hours. The 2700 mAh battery is also optimized for uniform cooling across the length and breadth of the device.
The Android v. 5 'Lollipop'-fueled  S7 also features enhancements in the camera performance. The 13 MP rear camera comes with an advanced image processing system, which can capture as many as 6 images per second, and a Magic Focus feature that allows you to modify the focus even after you click an image. 
The S7 is currently available for an MRP  Rs. 24,999. If a mix of style and substance is what you fancy, we recommend you own this piece of art.
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Key features
64-bit MediaTek SoC
1.7GHz octa-core processor
2GB of RAM, 16 GM Internal  memory
8 MP front camera; 13 MP rear camera
( autofocus, LED flash)
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