How to Charge Your Android Phone as Fast as Possible Even the Android phones with the best battery life barely make it two days on a charge. When your phone is dead, you don’t want to wait forever to top it off. Here’s how to charge your phone in the quickest possible way. Turn off Your Phone One simple trick that you may have never thought about is to simply turn off your phone while it’s charging. By reducing the number of tasks that your phone is doing at the same time, you’ll allow the charging to go faster.