.DFU File

File extension dfu is mainly known to be associated with the Apple iOS operating system for Apple devices, such us iPhone or iPad.

These dfu files are used when the user needs to downgrade, or update iOS in his Apple portable device. DFU shortcut means Device Firmware Update. It is typically found inside .ipsw file.

Files with dfu extension can be found as firmware updates for iOS system on iPhone, iPad and iPod Touch devices with iOS operating system.

How to open:

You can load and update your device with this file using the default update utility.

How to convert:

Firmware update files are generally not meant to be converted to anything else.