GETTY iPhone users have complained about the battery life issues with iOS 11

iOS 11 is finally here. After months of beta testing, Apple pushed-out the next-generation mobile operating system to iPhone and iPad users worldwide earlier this week. iOS 11 brings a torrent of new features to smartphones and tablets, including a one-handed keyboard for iPhone owners, augmented reality features, a completely redesigned Control Centre menu, and improvements to the editing capabilities in the Photos app. iPad users will also benefit from greatly-improved multi-tasking, with iOS 11 users able to drop-and-drop text, images, and files, between apps. Unfortunately, there have been a few minor issues with the new version of iOS. iOS 11 appears to cause some issues for Outlook.com, Office 365 and Exchange 2016 email addresses – leaving users unable to send messages from these accounts in the default Mail app. A number of iPhone owners have also complained about battery life problems since upgrading to iOS 11.

Apple iOS 11 - the biggest and best new features coming to your iPhone and iPad Thu, June 8, 2017 APPLE has just announced its new iOS 11 operating system and here's some of its biggest and best new features. Play slideshow EXPRESS NEWSPAPERS 1 of 8 Apple IOS 11 best features

Social media has seen a torrent of users voice concerns updated iPhones plough through power at a faster rate than when running previous iOS releases. One user reported seeing his iPhone “drop from 100 to 85 percent in probably an hour, pretty bad”. “The iOS 11 really kills my iPhone 6s battery. #iOS11” another iPhone user tweeted. One user shared on Twitter: “Noticed today that my battery is draining a little faster with the new iOS. Also sending messages is a little slower I think.” Express.co.uk has also noticed some slight battery hiccups on our devices after making the leap to iOS 10 – with four mins on the Mail app taking roughly 12 per cent of our battery life.

im scared to get ios 11 bc i don't want it to drain my battery and slow my phone down. i have the 6s ... any suggestions ? — grace������ (@waltdisneygrace) September 21, 2017 iOS 11 has made my battery life worse on my 7 Plus, damnit apple #apple #iOS11 pic.twitter.com/pMldYLW0bK — Ali (@lifeofalid) September 20, 2017 has ios 11 messed with anyone else’s battery life? — tina (@christinatarann) September 21, 2017

But honestly, this is to be expected. It happens every year, and it’s completely normal. Major iOS releases will hammer the battery on your device much faster during the first few days of use. There are a couple of reasons for this sudden drop in battery life. First of all, it's likely you’re using your smartphone a little more frequently. There are a plethora of brilliant new features and hidden tricks discover – not to mention, settings to tweak and play around – which will all take their toll on your battery.

EXPRESS NEWSPAPERS • APPLE Express.co.uk has seen some dramatic battery life drain from some apps

Your iPhone is also likely to be installing a ton of updates from the App Store. Dozens of popular apps have already pushed out updates to take advantage of the new software features in iOS 11 and improve performance on the new operating system. But even if you haven't touched your phone since the iOS update, you’ll probably find that the battery is draining faster than usual. That's because your smartphone will be re-indexing your data. From contacts to app data, everything that can be searched using Spotlight on the iPhone needs to be re-categorised and sorted by the operating system.

APPLE iOS 11 adds a new Files app to iPhone and iPad devices, let users sort documents into folders

The new improved Photos app also has to crunch and analyse your collection to generate its improved animated slideshows, Memories. Unlike some rivals, Apple insists these complications processes are carried out on the phone, because it does not want the privacy implications associated with sending the data to the cloud. This is all happening in the background following the update, battery life will suffer and it can take a day or two before things get back to normal. So, do not worry. Your iPhone should be back to full working order very soon.

APPLE iOS 11 also brings drag-and-drop to the iPad for the first time