Increase battery life on iPhone while on standby (iOS 10.3) HD

How to increase the battery life on an iPhone and double the standby time. This video tutorial explains the step-by-step procedure on how to increase the battery life on an iPhone. The procedure can double the standard standby time. It can achieve up to 2 and a half days on standby with normal usage, before you will need to charge it again. Read more details about the test here: http://blog.getvladimir.com/2015/01/how-to-increase-battery-life-on-iphone.html If you have any questions or need any help with the procedure, please feel free to contact me or leave a comment below.