I am using a Samsung Galaxy Note 2 smartphone and I am finding that this Whatsapp application is continuously draining the battery life of my smartphone. After installing Whatsapp in my phone, I turned on the Wifi option and started receiving messages in text, audio, video, etc from many of my friends. Soon, withing 3 hours, the battery of my smartphone completely drained. Can anyone tell me how do I use this application without it draining my battery to great extent? Thanks
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