Does iOS 15 Drain iPhone 8 battery?

One user wrote "with the update to iOS 15.4, I experience a "massive" battery drain on my ‌iPhone‌ 8. That means the battery of my ‌iPhone‌ 8 is empty within a few hours. With iOS 15.4, I have to recharge my ‌iPhone‌ at least three times a day."
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Does iOS 15 work on iPhone 8?

So in this case, there isn't an option—at least at the moment—to stay on iOS 15 and remain secure, unless you have an older iPhone. For those on iPhone 8 or above, it's time to update to iOS 16.2, the latest version of iOS 16, to keep your iPhone safe.
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Why is my iPhone battery draining fast after iOS 15?

Applications, particularly third-party apps, have a tendency to start acting up after Apple releases new iOS software. So, there's a good chance one, or more, of your apps is the source of your battery life problems.
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Why is my iPhone 8 battery draining so fast all of a sudden?

If the onset of your battery drain is sudden, it may be that an app updated or your phone processed an update. The newer version could contain features that are more resource intensive, or has a bug which runs your battery dry. Check to see if any apps have updated recently.
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Will iOS 15.5 drain battery?

With many reporting battery drain issues with 15.4. 1 installed, it's good news for those installing 15.5. According to iAppleBytes, a YouTuber that creates battery life tests with each new iOS release, the latest update sees an overall improvement in device battery life, except for the iPhone 12.
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iPhone 8 Battery Test🔋 on IOS 15



Does iOS 15 improve battery life?

With every new operating system update, there are complaints about battery life and rapid battery drain, and iOS 15 is no exception. Since iOS 15 was released, we've seen reports of issues with battery life, and an uptick in complaints with each new point release since then.
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Does iOS 15 slow down iPhones?

Conclusion. Even with older devices such as the first-generation iPhone SE, iOS 15 can be safely installed. Safari gets faster and the overall performance is not slowed down by the latest system.
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Does iOS 16 drain iPhone 8 battery?

iOS 16 brought plenty of additions to the iPhone. Not only did it address a few long overdue requests, such as lock screen customization, but it also refreshed Apple's default apps with several handy features. These improvements come at a cost: iOS 16 can take a serious toll on your iPhone's battery life.
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How long should iPhone 8 battery last?

Constant internet use of your iPhone 8 gives you about 12 hours of battery life. Audio playback gives you 40 hours and the phone has fast-charging capabilities of up to 50% in 30 minutes.
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How many years does an iPhone 8 battery last?

An iPhone lithium-ion battery typically holds up to 500 charge cycles, or about two years; before you will see a degrading of the battery to 80% of its full capacity. You complete one charge cycle when you have used an amount equals 100% of your battery's capacity.
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Why does my battery drain so fast after 15?

your battery gauge is just an estimate of its capacity. its warning you at 15 percent that your charge is low and that you should recharge. it's hard on the battery and the system to let it die. You're getting really good battery life already so just get used to plugging it in at 15 percent like you're supposed to.
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What are the problems with iOS 15?

Your iPhone might be less responsive or crash when using iOS 15. Incompatible apps. Some apps may not function properly with the new iOS update. Bluetooth or Wi-Fi issues.
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How do I fix my iPhone 8 battery drain?

How to Fix Bad iPhone 8 Battery Life
  1. Restart Your iPhone 8. Sometimes all it takes is a simple restart. ...
  2. Use Low Power Mode. ...
  3. Use Airplane Mode. ...
  4. Check Your Apps. ...
  5. Manage Your TrueTone Display. ...
  6. Avoid Extreme Temperatures. ...
  7. Turn Off Location Services. ...
  8. Stop Using Live Wallpapers.
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Which iOS version is best for iPhone 8?

Both the iPhone 8 and 8 Plus were supplied with iOS 11 on launch, and support iOS 12, iOS 13, iOS 14, iOS 15 and iOS 16.
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Which is better iOS 15 or 16?

Compared with iOS 15, iOS 16 has a big change in the style of the lock screen interface. On the new lock screen, we can change fonts and wallpaper, and even put widgets on the lock screen. Therefore, once we light up the screen, we can see the information presented on the widget.
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What is the most stable iOS version for iPhone 8?

iPhone 8 and 8 Plus: iOS 14.
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Is it worth replacing iPhone 8 battery?

If your iPhone is a recent model

In fact, if your phone is being throttled due to battery health, getting a replacement will breathe new life into it. Apple's fees for new battery installations is pretty reasonable, and certainly much cheaper than buying a new phone. So in this case, it's definitely worth it.
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Does Apple still update iPhone 8?

We mentioned how the iPhone 8 is still getting regular iOS updates from Apple, which is a definite perk.
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How much is a new battery for an iPhone 8?

How much does it cost to replace your iPhone battery? As of Tuesday, Apple charges $49 to replace batteries for the iPhone 8 and older models, going back to the iPhone 5. On models starting with the iPhone X through to the iPhone 13, Apple charges $69 to swap batteries.
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Does iOS 15 run well on iPhone 8 Plus?

Long answer: Yes, because it's more stable, faster and you get better battery life than on any version of iOS 11. You also get some new features. Of course, being a beta, there will be some new bugs, but not as annoying as in iOS 11.
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How do I go back to iOS 15.5 from 16?

To downgrade your iPhone from iOS 16 to iOS 15, you basically need to erase your current phone and then restore it with the new operating system. In order not to lose any of the data on your iPhone, you'll need to have made a backup before you installed the iOS 16 beta.
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Will the iPhone 8 support iOS 16?

As Apple noted in the iOS 16 announcement, the new software is available as a update for iPhone 8 and later. These are the iPhone models that can get iOS 16: iPhone 8, iPhone 8 Plus. iPhone X.
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Why is my iPhone 8 so slow after iOS 15?

The main reason is that even though you have installed the new iOS, there still are some background tasks your iPhone needs to perform. Limited available storage space. After updating iOS, your iPhone storage may be full. Correspondingly, iPhone starts to slow down after the update.
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Why is my iPhone 8 so slow?

The most likely reason your iPhone is slow is because it's running out of storage space, the battery is dying, or you're using old apps and outdated software. A slow iPhone can also be caused by fixable performance issues. Like any electronic device, iPhones also slow down over time.
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Does 15.4 1 fix battery drain?

1. Coming on the heels of iOS 15.4, this update is relatively small but still important: It resolves a battery-draining bug and fixes a security flaw that Apple says "may have been actively exploited" on some devices.
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