How to downgrade iOS 9 to iOS 8.4 on iPhone 4s?

Buzz

Ngày cập nhật gần nhất: 1/5/2026

I want to downgrade my iPhone 4s from iOS 9 to iOS 8.4 but don't know how. Can Mytour.vn assist me with this? Thank you!

Hello there!

iPhone 4s is among the 15 devices upgraded to iOS 9. However, many users have noticed a decrease in performance after updating. They consider downgrading the operating system. Downgrading iOS 9 to iOS 8.4 for iPhone 4s is straightforward and does not present any obstacles during usage.

- Method to downgrade iOS 9 to iOS 8.4: downgrade iOS 9 to iOS 8.4

The process of downgrading iOS 9 to iOS 8.4 for iPhone 4s is similar to other iOS devices. This process typically completes in 15 - 20 minutes.

For iPhone 5s users wishing to downgrade their device from iOS 9 to an earlier version, they can refer to the guide on downgrading iOS 9 to iOS 8.4 for iPhone 5S provided by Mytour.vn previously.

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