This guide will make you aware of the reason as well as the fix for the DFU Error 4016 when you are trying to downgrade your iPhone running iOS 17. There could be a plethora of reasons why you might consider rolling back to the older version of the OS, especially if you are on the beta or the developer preview builds. Right from apps not working along the expected lines to the entire system being slowed down or crashing, there could be quite a few issues bugging the users.
In this regard, numerous users are trying to downgrade their devices from beta versions of the latest build to their stable counterparts. But whenever they are trying to do so, they are instead greeted with an error, thereby hampering their progress mid-way. To be more specific, iPhone 15 users are being greeted with the DFU Error 4016 when trying to downgrade iOS 17. If you are also in the same boat, then this guide will help you out. Follow along for the fix.
Fix DFU Error 4016 when downgrading iPhone iOS 17
The reason why you are getting this error is the fact that you are trying to do a downgrade in the Recovery Mode instead of the DFU Mode! So it is highly recommended that you go through our guide once on How to Boot iPhone 15/Plus/Pro/Max to DFU Mode and then retry the process. Also, some users have reported that they were unable to enter DFU with Apple’s own Type C cable but were able to do so via a third-party one [such as Anker].
So carry out these tweaks and it should fix the DFU Error 4016 when downgrading your iPhone running iOS 17. If you have any queries concerning the aforementioned steps, do let us know in the comments. We will get back to you with a solution at the earliest.
