Currently, my iPhone is running the newest iOS 13. However, it runs very slow after the iOS update. So I need to downgrade the device.
Fortunately, I got the correct answer in the article of how to downgrade iOS 13 without computer.
Also, I got all potential methods to fix iPhone running slow after iOS 13 update.
Fortunately, I got the correct answer in the article of how to downgrade iOS 13 without computer.
Also, I got all potential methods to fix iPhone running slow after iOS 13 update.