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How to Fix Slow iPhone and Speed It up after iOS 11/10/9 Upgrade on Mac

March 6, 2018 02:12 pm / Posted by Jenefey Aaron to Optimize and Speed Up iOS
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"After update to new iOS, many applications (safari, Facebook, etc.) load very, very slow, with a significant delay more than 10 seconds…who can solve this problem? any ideas to speed up iPhone after upgrading to iOS 11?"

Lots of iOS users hit this issue when they update their iPhone to latest iOS 11. The interface seems more sluggish, apps take longer to open or run, many applications hangs or even freezes and etc. even for those older iPhone models, such as iPhone 7/6s/6/5s.But there are some techniques we can use to fix iPhone slow issues and speed up slow iPhone with iOS 11/10/9 on Mac, whether you are using iPhone X/8/7/6s/6/5s or iPad/iPod touch.

4 Tips to Fix Sow iPhone and Speed it Up after iOS 11/10/9 Update

Hard Restart Your iPhone/iPad/iPod touch
Delete iPhone Unnecessary Files (Cache/Cookies/Temp Files/Apps)
Remove Any Unwanted Apps, Contacts, Photos, Notes, etc. from iPhone
Remove Motion and Animation Effects in iOS

Tip 1: Hard Restart Your iPhone/iPad/iPod touch

The first and the simplest thing to fix a lag and slow iPhone is hard restarting your iDevice.

For iPhone X/8/8 Plus, please press volume up and let go, and then press volume down and let go, and then press & hold the slide button until the Apple logo appears.

For other iPhone or iOS models: You just need to press & hold the Power and and Home button at the same time until the Apple logo appears.

Also Read: How to Force Restart iOS 11 iPhone/iPad without Using Buttons

Tip 2: Delete iPhone Unnecessary Files (Cache/Cookies/Temp Files/Apps)

Going to Settings, General, Usage and then tapping manage storage to delete apps is OK, but to permanently delete them will need a professional tool. Tenorshare iCareFone is recommended to clear iPhone caches/temp files and other junk files to speed up slow iPhone.

Free Trial Tenorshare iCareFone(iPhone Care Pro) Software:
Free Trial Windows Version
Free Trial Mac Version
delete iphone cache

After the scan is finished,you can optimize and speed up iPhone from 5 aspects, including removing junk files, deleting temporary files, managing photos, large files and apps in your device.

speed up slow iphone

Tip 3: Remove Any Unwanted Apps, Contacts, Photos, Notes, etc. from iPhone

After you use iCareFone to completely delete cache, cookies etc., you can also use it to remove unwanted contacts, photos with the same program, to free up some memory and make iPhone run faster.

Switch to "File Manager", and you'll find iCarefone can manage up to 9 types of iPhone files: Contact, Note, Calendar, App, Music, Video, Bookmark, iBooks and Photo. Select one to move on. Here we take Contact as an example. Click "Delete" on the menu to finish.

remove iphone temporary files

Tip 4: Remove Motion and Animation Effects to Speed Up iPhone

iPhone lagging may be also result from the animation effects. You need to disable motion and animation effects to improve the running speed on iOS 11/10. Just go to Settings > General > Accessibility > Reduce Motion, and turn the switch on.

reduce motion

Hope these 4 tips can be helpful to fix a slow iPhone X/8/7/6s/6 after update. If you have other tweaks, be sure to let us know, too.

Related Articles
6 Tips to Fix iOS 11 Slow on iPhone 6/6 Plus/6s/6s Plus
How to Clear Histories and Cookies on Safari for iPhone X/8/7/SE/6 Plus/6/5s
Safari Is Running Slow on iPhone or iPad
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