Your iPhone's Default Settings Are Secretly Killing Your Battery. Here's the Fix.

If your iPhone battery is dying too fast, this guide will show you the three surprising features that are likely causing the problem.

Jason Chun is a CNET writer covering a range of topics in tech, home, wellness, finance and streaming services. He is passionate about language and technology, and has been an avid writer/reader of science fiction for most of his life. He holds a BA from UC Santa Barbara and an MFA from The New School.