5 iPhone Problems You Can Fix Using DFU Mode

Your iPhone isn’t impervious to issues. In truth, most of us expertise at the least a couple of points with our iPhones all through their lifespan. One of the strongest instruments at your disposal for fixing these points is iOS’s Device Firmware Update (DFU) mode.

DFU mode is a particular iPhone state you need to use to reinstall each line of software program and firmware in your system. It’s the deepest attainable restore for an iPhone, and is much more efficient than placing it in restoration mode.

Here are some iPhone issues you possibly can repair utilizing DFU mode.

1. Unresponsive Devices

You would possibly suppose you’ve bought a bricked iPhone when really it’s affected by firmware issues. Among different duties, the firmware is chargeable for telling your iPhone how to answer the completely different buttons in your system.

When you press the Sleep/Wake button, for instance, the firmware begins booting up iOS. If your iPhone doesn’t energy on, it could possibly be as a result of the firmware isn’t responding to that button appropriately.

2. Boot Loops and Failed Startups

iPhone in Boot Loop with Apple logo on Screen
Image Credit: vencav/Depositphotos

A boot loop is the time period for when your iPhone can’t get previous the Apple brand throughout startup. This occurs if there’s an issue with the working software program in your system.

It’s tough to strive different troubleshooting options for those who can’t get previous the boot display, however you possibly can nonetheless put your iPhone in DFU mode. This helps you to reinstall the software program, overwriting any errors that brought on the boot loop.

3. Firmware Corruptions

A lot of individuals already know the way to use the iPhone’s restoration mode to repair corrupt software program


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, however corrupt firmware is one other matter totally. If a popup message says your iPhone firmware is corrupt, your solely possibility is to repair it utilizing DFU mode.

Firmware corruptions have an effect on all method of elements in your iPhone. They can result in something from sluggish efficiency to dangerous Wi-Fi connectivity. When you reinstall the firmware through DFU mode, it fixes every kind of issues like this.

4. Failed Software Updates

Backlit iPhone with Software Update badge
Image Credit: ifeelstock/Depositphotos

There’s a cause your iPhone doesn’t begin software program updates when the battery is low. If you lose energy mid-update, your working software program will find yourself in limbo. That often means your iPhone can’t end updating and may’t use the earlier software program both.

When you utilize DFU mode to revive your system, it overwrites the unfinished software program with recent code, updating your iPhone to the newest model of iOS within the course of.

5. Hardware-Related Issues

Your iPhone firmware tells the system the way to work with completely different {hardware} elements. As a consequence, issues that appear as if they want a bodily restore can really be the results of defective firmware.

Some of those points embrace:

  • Erratic battery life
  • Unresponsive buttons
  • A clean show that’s all white or black
  • Unpredictable touchscreen responses

Before You Put Your iPhone in DFU Mode

iPhone creating an iCloud backup
Image Credit: Afotoeu/Depositphotos

If you’re experiencing any main issues together with your iPhone, there’s an excellent likelihood you possibly can repair them utilizing DFU mode. When you restore your iPhone with this mode, it reinstalls the software program and firmware and in addition erases all of your content material. Your iPhone must be pretty much as good as new by the point it’s completed.

That stated, there are a few dangers related to DFU mode.

Make a Backup of Your iPhone First

When you restore your iPhone utilizing DFU mode, it erases all of the content material in your iPhone. You want to make sure you have a current backup first so that you don’t lose any photographs, movies, messages, apps, or different private information.

It’s not attainable to again up your iPhone after you set it in DFU mode. See our iPhone backup information


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for extra particulars on the way to do it forward of time.

Don’t Use DFU Mode on Damaged iPhones

If your iPhone is bodily broken, restoring it with DFU mode could make it completely unusable. It doesn’t matter whether or not you dropped your iPhone in water


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, cracked the display, or broke the headphone port—in case your system is broken, we don’t advocate utilizing DFU mode.

The cause for it’s because DFU mode asks your iPhone to reconnect with varied {hardware} elements. If that isn’t attainable as a consequence of harm, it might’t end restoring the firmware and your iPhone is thus left unusable.

How to Put an iPhone in DFU Mode

iPhone in DFU mode connected to a computer

The course of for placing your iPhone into DFU mode rely upon which mannequin iPhone you’ve gotten. You’ll know you bought it proper in case your pc acknowledges the system however nothing reveals up on the iPhone display.

To begin, use an Apple-certified USB cable to attach your iPhone to a pc. Once you full the final step, in case your iPhone display stays clean, it’s in DFU mode. You can observe the prompts in your pc to revive your system.

However, for those who see a pc or iTunes icon in your iPhone display, which means you set it in restoration mode as a substitute. Reconnect your cellphone to your pc and repeat the directions from the first step once more. It’s frequent to get the timing flawed once you first strive it.

iPhone 8, iPhone X, and Later

  1. Quickly press and launch the Volume Up button, adopted by the Volume Down button.
  2. Press and maintain the Side button.
  3. When the display goes black, additionally press and maintain the Volume Down button.
  4. Keep holding each buttons for 5 seconds, then launch the Side button however maintain holding the Volume Down button.
  5. Walk by the prompts in your pc.

iPhone 7

  1. Press and maintain the Sleep/Wake button and the Volume Down button.
  2. Keep holding each buttons for eight seconds, then launch the Side button however maintain holding the Volume Down button.
  3. Keep holding the Volume Down button till your pc acknowledges your iPhone.
  4. You can now restore your system utilizing your pc.

iPhone 6S, iPhone SE, and Earlier

  1. Press and maintain the Side (or Top) button and the Home button.
  2. Keep holding each buttons for eight seconds, then launch the Side (or Top) button whereas nonetheless holding the Home button.
  3. Keep holding the Home button till your pc acknowledges the iPhone.
  4. You’re now prepared to finish the restoration course of.

Get Your iPhone Repaired or Fix It Yourself

After you restore your iPhone utilizing DFU mode, you shouldn’t have any extra software program or firmware issues. If it didn’t work, restore your system once more however don’t get well any information from a backup. Should you do that and nonetheless have points, your iPhone wants a bodily restore.

Schedule an appointment with an Apple Authorized Service Provider to search out out what half wants changing. If your iPhone is roofed below Apple’s guarantee, chances are you’ll be entitled to a free restore. Otherwise, there are many web sites that present you the way to restore an iPhone your self


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