Configuring and performing tasks in the new software version affects the battery of several iPhone models.
A few years ago, with the release of iOS 10, Apple introduced some changes in its operating system that caused battery drain issues on iPhone devices. The company with the bitten apple logo chose to implement a configuration that prioritizes good iPhone performance while sacrificing battery life.
The move was very expensive for Apple, so much so that the Cupertino company had to compensate thousands and thousands of users for the damage caused. The #BatteryGate controversy – as it has been popularly dubbed – has caused Apple to address every last detail regarding battery drain in future software releases.
However, even today (with iOS16) there are still many problems with battery life after the release of a new version of the iPhone operating system. This is a very common problem with the inclusion of new software and hardware. Although some users claim that it is due to system errors and bugs.
Why does iPhone battery suffer after installing a new version of iOS?
If you’re having battery issues in iOS 16, we’ve got the solution
After downloading and installing iOS 16, many iPhone users noticed strange battery drain on their devices. As we mentioned earlier, the decrease in battery life in iOS 16 is natural and is much more noticeable in older iPhone models.
Battery issues in iOS 16 are caused by Apple introduces new features and tasks that, once executed, require significantly more processing power. Normally, these features are specially designed for newer iPhone models, but many of them are also available on other models. This results in shorter battery life, and for this reason, it’s much more noticeable on older-gen devices.
Battery life can also be affected by bugs and performance issues

Installing a new version of iOS software often leads to glitches, bugs, and performance issues. In turn, these issues can lead to unusual battery drain.
Many iOS 16 users have reported many bugs that Apple needs to fix the update after the update. Two weeks after the official release of iOS 16, a large number of users are suggesting that some performance issues are causing massive battery drain.
Apple has released a new version of iOS 16.0.2 fixing a number of issues including “abnormal battery drain”.
- Slow or non-functional search in Spotlight.
- Excessive and abnormal battery discharge.
- CarPlay issues with iPhone 14 Pro but possibly affecting other models on iOS 16.
- The iPhone screen flickered in dark places in low light conditions.
Possible Solutions to Avoid Battery Drain in iOS 16
From Apple’s Help and Support Center, they advise restarting the iPhone in the event of a problem of this caliber or, in the most serious cases, restoring the device completely. But there are plenty of other solutions that can help protect your iPhone battery without resorting to such drastic methods.
First of all, it is highly recommended to enable the Screen Time feature and check the battery usage from Settings > Battery. This way, you’ll be able to find out which apps are consuming the most battery and if there’s any background activity that’s contributing to battery drain.
In my personal article on how I manage my iPhone XR battery, I provided several tips that can be very useful. It is of vital importance that respect charging cycles of your device, i.e. charge its battery to 80% and let it discharge to 15% or 20%.
iPhone battery percentage.
On the other hand, it is interesting to usually use the low power mode. Activating this function when you are working, when you are in class or when you know that you are not going to use your iPhone will save you a lot of battery since this function takes care of disabling several resource-consuming tasks of iOS 16. Additionally, you can also choose to create your own battery saving mode through the Shortcuts app.
Finally, remember that the functions that consume the most battery are the screen brightness, Wi-Fi connection, location and background updates. Use these features wisely and your iOS 16 battery life will be much longer.
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