Fix iOS 11.3 Too Slow on iPhone 5S, SE, 6S, 7 Plus, iPad Mini and Air


Have you recently updated your older iDevice like iPhone 5S, SE, 6S Plus, 6 Plus, 7, 7 Plus, iPad Air or iPad Mini to iOS 11.3 final version? If yes, then you might face some performance issues as this latest version is equipped with lots of new features that make use of heavy RAM and CPU.

Slow Performance on iOS 11.3 on older iDevices

With passage of time, your older iDevice need upgrade to give you swift performance on latest iOS version. Same is true in iOS 11.3 case. The iDevices in questions are almost two to five years old. After that, Apple has changed a lot in its iOS operating system.


So the question is what if you want to enjoy the latest iOS version at same time without upgrading your hardware? Well, there are some tips in order to make it good. Go through them and you will for sure be able to speed up your iPhone, iPad or iPod Touch.

How to Fix/Speed up iOS 11.3 Slow Performance on Older iDevices

There are different methods to speed up your older iDevice on iOS 11.3. We will cover each one in detail.

Method 1: Remove un-necessary apps

If you have installed lot of apps on your older iDevice and at same time updated it to iOS 11.3, then remove the apps that you do not frequently use.

Apps consume RAM and memory that actually slows down the device. Removing them will speed up your older iPhone SE, 5S, 6 Plus, 7 Plus or iPad Air/Mini.

Method 2: Fresh Install iOS 11.3

Fresh installing the iOS 11.3 using its .ipsw file and iTunes always works. By updating over air, the new version is installed by replacing the older files on older iOS version.

We recommend to install iOS 11.3 .ipsw file and then fresh install it on your iDevice using iTunes. Once it is installed, backup your data.

Do you have additional questions? Let us know what you need help with in the comments section below.

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