04
Jan
The two things that cause the most battery drain in your iPhone are its screen and cellular service. Obviously, you know when you're actively using your phone, but a lot of the time, your iPhone is performing tasks in the background and even lighting up your screen without you noticing.The five things that kill your iPhone's battery the fastest #1: Cold weather Without a doubt the biggest battery drain. Both charging the battery in the cold, and using the iPhone in the cold. ... #2: Screen brightness ... #3: Poor cellphone coverage ... #4: Rogue app ... #5: Lots of…