Is the new iOS 16 update battering battery life?

iOS 16
(Image credit: iMore)

If you're looking at your iPhone's battery and wondering why it's draining so fast, you aren't alone. Some people report that their devices are suffering particularly badly with the latest updates.

The issues aren't just affecting older iPhones that have been updated to iOS 16, either. Even the best iPhones Apple sells today are affected, with iOS 16.4 being one particularly interesting update.

Some people report that the iOS 16.4a release has been particularly problematic — the "a" represents the first iPhone Rapid Security Response update to be pushed out to users. But oddly, some say that iOS 16.4 was the update that fixed their issues as well.

For better or worse

A search on Twitter suggests that the iOS 16 battery life situation is all over the place. Yahoo reports that some are having particularly bad battery life, although it doesn't link to examples. But we've seen some people complain about iOS 16.4a specifically.

Ultimately, battery life is always something that is difficult to pin down. Big releases like iOS 16 can cause issues initially, especially while iPhones run through a number of housekeeping tasks after a big new update is installed. But most people find that things eventually settle down again.

Other times it's a seemingly innocuous release that causes problems, as might be the case here with iOS 16.4a. However, we would always suggest that people install the latest updates to make sure that they're fully protected against any security issues that have been identified — and that's especially the case when we're talking about Rapid Security Response updates.

If you've recently updated to a new version of iOS and are having issues we'd suggest checking out our collection of tips on how to fix iPhone battery life problems.

If that doesn't help reaching out to Apple might be the only other thing left to try, unfortunately.

Oliver Haslam

Oliver Haslam has written about Apple and the wider technology business for more than a decade with bylines on How-To Geek, PC Mag, iDownloadBlog, and many more. He has also been published in print for Macworld, including cover stories. At iMore, Oliver is involved in daily news coverage and, not being short of opinions, has been known to 'explain' those thoughts in more detail, too.

Having grown up using PCs and spending far too much money on graphics card and flashy RAM, Oliver switched to the Mac with a G5 iMac and hasn't looked back. Since then he's seen the growth of the smartphone world, backed by iPhone, and new product categories come and go. Current expertise includes iOS, macOS, streaming services, and pretty much anything that has a battery or plugs into a wall. Oliver also covers mobile gaming for iMore, with Apple Arcade a particular focus. He's been gaming since the Atari 2600 days and still struggles to comprehend the fact he can play console quality titles on his pocket computer.

  • Wotchered
    I don’t know, but over the last few days I have noticed that my devices seem slower to charge than normal, if that can be put down to higher power drain, then maybe. I’ll close everything and see.
  • Jbairdjr
    All of my co-workers (all on iPhone 14 Pro Max) and my wife's iPhone 11 all having massive battery drain after security update.
  • EdwinG
    I have had weird issues with iOS 16.4, like GPS not working when in CarPlay. But absolutely nothing to report on the battery-side.