Since most users are accustomed to the old device they owned, it is not that easy to accept a new iOS version running on their phone especially when the system drags down the speed of their device. To be specific, here are some cases you may need DFU mode for:ĭowngrade iOS. The main reason users need to access iPhone DFU mode is changing or updating the iOS and the firmware on the device. The DFU mode is available on any iOS devices covering all models of iPhone, iPad and iPod touch.ĭFU mode is usually only used for advanced purposes. As a consequence, you are able to change the operating system since it is not running yet. Generally, the device is powered on but the operating system has not been started when it is in iPhone DFU mode. It is more integrated comparing to the recovery mode since it can be used to fix more intractable issues. The DFU mode actually means Device Firmware Update, allowing you to make extremely low-level changes to the software running your iOS devices. Simply prepare your computer installed with iTunes, your iPhone and a USB cable before heading to the next paragraphs. In this guide, we will show you the definition of DFU mode, when to use it as well as how to put your iPhone into and out of DFU mode. Perhaps you are wondering how to restore iPhone and put it into DFU mode? As far as we know, quite a few users have an urgent need to troubleshoot an iPhone or iPad from DFU or just intend to restore from firmware.
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