How To Drain Your Iphone Battery. As long as you dont clear them from your phones memory this will drain your phones battery quickly especially if you have a lot of apps. Favor Wi-Fi Over Cellular Connection.
Open up allmost of your apps. Press and quickly release the volume down button. I will show you the fastest way to drain your Apple iPhone battery life completely to zero.
The 3G and 4G networks and eventually 5G require more power than plain old Wi-Fi and will drain your battery.
IPhone 5 Battery Replacement iFixit. Press and quickly release the volume down button. As long as you dont clear them from your phones memory this will drain your phones battery quickly especially if you have a lot of apps. Force restart your iPhone 1.
