All Apple’s phones are most used phones in the world, Apple doesn’t allow to modify with design, but there is an app that allows to tweak with design and apps which it is called Cydia.
Unfortunately, Cydia requires Jailbreaking for all iOS Users but It’s an alternative How to get Cydia without Jailbreaking.But, however, there isn’t any guarantee that if it will work or not.
How to get Cydia without Jailbreaking
1. First download Cydia from Open App Mkt
2. Click Get It and wait for the app to be downloaded and then Pop-Up will appear and you have to click Add button.
3. Then you have to click on Add to the screen option and then click the add button.
4. After few second you will see Cydia icon on your iOs device screen.
5(Final Step). Now click in Cydia icon, it will take some time to process.