iPhone users say Apple’s iOS 17 update is killing their battery life, with reports of it running out of charge within hours

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As Apple launched its eagerly awaited iOS 17 update last night, millions of eager iPhone users flocked to download it.

However, it seems that many are already regretting their decision, claiming that the latest update is reducing their battery life.

Complaints have taken X (formerly Twitter) by storm over the past 24 hours, as users have alleged that the latest iOS 17 release has ruined their device’s battery.

One user wrote: ‘Is iOS 17 killing anyone else’s battery,’ while another added: ‘Battery life so far on iOS 17 is horrible.’

Others claimed their charges dropped ‘instantly’ after the update, while another admitted they were excited to download it at all.

iPhone users have been duped into the latest Apple update, claiming it’s draining their batteries

Read More: How to Download iOS 17

‘Afraid to upgrade to iOS 17 for fear of what will happen to my battery,’ he wrote.

iOS 17 was released yesterday as Apple tried to bring big changes to messaging and FaceTime on iPhones.

The update includes many exciting new features including customizable contact posters, live voicemail and the ability to share your contact details just by touching your iPhone.

However, many users claim that the update is also affecting their iPhone’s battery life.

‘iPhone battery life drops sharply after upgrading to iOS 17,’ one person wrote on X.

Another added: ‘@AppleSupport @Apple’s battery is dropping dramatically after upgrading to iOS 17.’

One claimed their device was overheating due to the update, writing: ‘iOS 17 is heating up my phone longer… never seen it so slow.’

After the launch of Apple’s iOS 17 update, the X has previously been flooded with complaints on Twitter

Although Apple has yet to comment on these issues, it is quite common to experience battery drain as a result of power-intensive updates.

Software changes can sometimes take hours and even days to finalize, which means battery health can fluctuate, according to ZDNET.

‘Installing a new OS on an iPhone starts a lot of things in the background, from indexing to recalibrating the battery, and this can go on for hours or even days,’ ZDNet researcher Adrian Kingsley-Hughes previously explained.

‘Not only does this increase power consumption, but battery recalibration can make it appear that the battery is draining faster when it actually isn’t.’

However, if the problem persists for longer, it might be a good idea to check the maximum capacity of your phone’s battery.

As an iPhone battery chemically ages, its ability to hold a charge decreases, which can lead to reduced hours of use and poor performance between charges.

The battery tab found in the Settings menu on the iPhone’s home page contains the maximum capacity.

On iOS17, users can add contact posters, which can customize how they look in their contacts
There are also new stickers for messages
This new update was unveiled alongside the iPhone 15 at Apple’s highly anticipated Wanderlust launch event.

If your battery needs to be replaced, an ‘Important battery message’ will pop up indicating that its health has deteriorated significantly.

How to turn off ‘Vampire Setting’/ Wi-Fi Assist

  1. Go to ‘Settings’
  2. Tap on the ‘Mobile Data’ tab
  3. Scroll all the way to the bottom
  4. Tap on the ‘Wi-Fi Assist’ toggle, change it from green to grey

But if you’ve previously had your battery replaced at a non-Apple phone shop, this information may not be viewable.

Instead, an ‘Unknown Part’ pop-up may appear. When clicked, it may read: ‘Unable to verify that this iPhone has a genuine Apple battery. Health information is not available for this battery.’

Users should also check if the ‘vampire setting’ – more commonly known as Wi-Fi Assist – is turned on.

Whether you’re streaming Netflix on the bus or downloading files in the mountains, this can be a very handy tool on the go.

But users should be aware that it can also drain battery life rapidly, a tool that is automatically enabled on all iPhones.

Finally, Apple advises that users can take several other steps to extend their battery life.

Your device should be kept away from temperatures above 35°C (95°F) to preserve battery life.

Some cases should also be removed while charging the device if it generates too much heat, to avoid unexpected device shutdown.

For long-term health, Apple recommends that users avoid ‘storing’ their phone 100 percent or letting it die completely.

Leaving a device fully charged for long periods of time can actually degrade battery capacity, so a 50 percent charge can often be better.

MailOnline has contacted Apple for comment.

How to Increase iPhone Battery Health

  1. Avoid extreme temperatures: Your device is designed to perform best in temperatures between 16°C and 22°C. Anything above 35°C can permanently damage battery life.
  2. Remove some hair while charging: Phone cases should be removed as they generate more heat while charging. Overheating may cause the device to shut down unexpectedly.
  3. Update the latest software: Apple updates often include energy-saving technologies.
  4. Do not fully charge or fully discharge the device : Charging to around 50 percent will help preserve battery life.

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