I have been using my OnePlus 2 for about an year now. Even though the OnePlus 2 is powered by a 3300 mAh battery the battery performance has never been very impressive. Initially after buying the phone when I was using Oxygen OS 2.* the battery performance was decent and I used to get around 5 hours screen on time but those were the days when I used a single SIM on my phone and no 4G.
In January 2016 I filled the 2nd SIM slot with Airtel 4g and that’s when Continue reading