2024年9月12日 · DFU (Device Firmware Update) mode is a special state your iPhone can enter for troubleshooting serious software issues. It’s a more powerful tool than Recovery Mode, as it bypasses the iOS bootloader, allowing for a complete restore of your device’s firmware.

2018年10月31日 · After connecting the device, you'll perform a series of button presses to enter DFU mode. The buttons change depending on what version of iPhone you're using (or if you're using an iPad). Ensure your device is turned off. Press and hold the Side button for two seconds.

DFU Mode is more powerful than Recovery Mode, and is unsupported and undocumented for us, the end user. It lets an iOS device connect and talk to iTunes (or its Finder equivalent in macOS Catalina), without loading the bootloader, or iOS itself.

2024年12月6日 · DFU mode is a deeper restore option than Recovery Mode, allowing you to update firmware and troubleshoot issues that other methods can’t resolve. Whether you are using the latest iPhone 16 or an older model, this post details the DFU mode on the iPhone and how to enter DFU mode on each iPhone model.

2022年5月10日 · Putting your iPhone in DFU mode starts off just like a hard hard reset. Quickly press and release the volume up button, then quickly press and release the volume down button, and then press and hold the side button until the screen goes black.

2018年10月12日 · DFU mode lets the device interface with iTunes, update the firmware, and restore the OS without automatically installing the last downloaded version. It's useful for installing older versions of...

2023年5月24日 · To exit DFU Mode, simply force restart your device. For iPad, iPhone 6s and below, iPhone SE and iPod touch: hold the Home button and the Lock button until the device reboots. For iPhone 7 and iPhone 7 Plus: hold down the Side button and Volume Down button until the device reboots.

2024年1月11日 · This article aims to provide you with a comprehensive guide on how to put your iPhone in and out of DFU (Development Firmware Upgrade) Mode, covering all iPhone models.

2017年11月28日 · DFU (Device Firmware Update) mode is a great way to update firmware, jailbreak, installing an old version of iOS or just rescue an unresponsive device. Here's how to put an iPhone -...

2024年12月28日 · At its core, Device Firmware Update mode is a state that allows your iPhone to interface with iTunes or Finder without loading the iOS operating system. This is particularly useful when you’re trying to: Restore a device that won’t start up normally. Downgrade iOS versions.