Apple iPhones are known for having a short battery life.But apparently there is a trick available which can extend your battery life by up to four hours.The Low Power Mode disables all non-essential tasks on your phone and stops your phone's screen brightening when you get a message.According to Boy Genius Report, the mode can extend battery life on phones running iOS 9 by up to four hours.Users are given the option to switch on the mode when their phone hits 20 per cent but you can turn the...
