App Icons (Manual Install with Shortcuts)
1. Step One
Launch the Shortcuts app on your iPhone or iPad. The Shortcuts app is free from Apple if you don’t already have it. Tap the + icon in the top-right corner of the screen. Tap Add Action.
2. Step Two
Use the text field to search for “Open App“. Select Open App. Tap Choose.
3. Step Three
Once you have tapped Choose, search for the app you want to change the icon of, and select it. For this tutorial, we select “Instagram”. Tap the three dots in the top-right corner. Tap Add to Home Screen.
4. Step Four
Tap the placeholder app icon. From the drop-down menu, select Take Photo, Choose Photo, or Choose File, depending on where your replacement app icon image is located. Select your replacement image from your installed app icon pack.
5. Step Five
In the text field, rename the app as you want it to appear on the home screen. Tap Add. Tap Done. Your Shortcut has now been created. Return to the home screen.