About 1 billion people around the world using iPhone has probably experienced one kind of battery issue or the other. Battery drain is one of the most prevalent concerns among iPhone users, however this is mostly due to various built-in apps that consume the battery considerably more quickly. Also is the heavy processor and other hardware packaged into the little space which makes iPhones object of desire. While there are a slew of advice on how to extend the life of your iPhone’s battery, Apple has a number of tricks up its sleeve to help you get the most out of your smartphone. One of the st…