Finally, Apple released iOS 9/8 and I bet most iUsers have updated their iPhone SE/6s/6/5S/5/5C/4S to experience what iOS 8 can bring in no time. Unfortunately, you may find that your iPhone results in inexplicably stuck, endless reboots, continuous restart loop, app flash back, etc.
Namely, your iPhone runs slow after iOS 9/8 update which it's really annoying and frustrating! Therefore, in the following I'll share a great utility with you to speed up your iPhone after iOS 8 update.
How Can I Fix iPhone Running Slow after iOS 8.2/8.1/8 Update
In that case, Tenorshare iCareFone (iPhone Care Pro) is exactly what you need! It is an all-in-one iOS cleaning/speedup tool which can optimize your iPhone to its top performance by cleaning up unnecessary files. Moreover, Tenorshare iCareFone works well with Windows 8.1/8/7/Vista/XP and supports all iOS devices including iPhone 5S/5C/5/4S, iPad Air, iPad mini 2 and iPod touch 5G/4G.
First of all, download Tenorshare iCareFone to your PC and launch it after installation. And then follow the detailed steps as below (make sure your iPhone is well-connected with your computer).
Way 1: Clean away junk files
Step 1: Click on "Speedup & Clean" on the main interface and you'll be presented a window shows the detailed space information on your device. At the same time, the program will automatically estaimate how much available space can be released after junk files removal from iPhone.
Note: junk files including app caches, app cookies, app temp files, app crash logs, download temp files, photo caches, user storage files and iTunes radio caches.
Step 2: Now deletable files are liseted here. Then choose the file types that you want to clean by cliking Clean. After that, unplug and run your iPhone to check if it is boosted largely.
Way 2: Remove in-app ads
Step 1: Click on "Ads Remove" on the primary interface and the program will scan your apps for ads and display whether they have in-app ads or not automatically.
Step 2: Check the box (es) before the app(s) that you want to remove ads or simply select all.
Step 3: Then click "Remove All Ads" and click "Yes" to confirm your operation.
After this being done, your iPhone would speed up and run more smoothly without any doubt!