What is dfu mode

How to put phone in DFU mode?

Make sure your iPhone is turned on.
Make sure iTunes works on Mac with macOS Mojave or earlier and on PC.
On your iPhone, quickly press the Volume Up button and then the Volume Down button.
Then press and hold the side button until your iPhone screen goes black.

What is the difference between DFU and recovery mode?

Connect your iPhone or iPad to your computer with a USB cable.
Press and hold the side or top button to open the slide to turn off the screen and turn off the device.
Once your device is turned off and you see a black screen, press and hold the side/top button and the volume down button at the same time for 10 seconds.

How to enter in to DFU mode at run time?

How to Enter DFU Mode on iPad, iPod, and Older iPhones. The most important thing before entering DFU mode is when to press and hold the keys exactly as long as listed below. Otherwise, it will enter recovery mode instead of DFU mode. Note that DFU mode is indicated by a completely black screen on the device.

How to put your iPhone or iPad into DFU mode?

Connect your iPhone or iPad with Face ID to your computer via USB.
Make sure iTunes/Finder is running.
Press and hold the side button on your device for 3 seconds.
Press and hold the side button and press and hold the volume down button.
Press and hold both buttons for 10 seconds.

How to force an iPhone into the DFU mode?

Built-in RGB LED for status indication Two built-in LEDs USBC interface, fully FPGA controlled (allows implementation of all Hi-Speed and Low-Speed USB devices) 24 pin button on edge panels 24 pin IC connectors and SMD soldering.

How to put an iPhone in DFU mode ?

Connect your device to your computer with a USB cable.
Press and hold the Home button and the Lock button.
After 8 seconds, release the lock button while holding the start button. If the Apple logo appears, the lock button is being pressed for too long.
Nothing is displayed on the screen when the device is in DFU mode.

How to fix iPhone stuck in DFU mode?

Select the default mode. Download and launch iMyFone Fixppo software. Connect your device to your computer.
Download the correct firmware The program will detect your device and prompt you to download the correct iOS firmware.
Restore your iPhone in DFU mode

How to exit iPhone DFU mode without data loss?

Choose to boot in Standard mode and install the iOS System Recovery software.
Select and download the correct firmware package. Your iOS device will be detected and the program will automatically select the correct firmware for you.
Get your iOS device out of DFU mode

How to restore iPhone to original factory settings?

Prepare your device. Make sure your Mac or PC is up to date.
Reset your device to factory settings. Open Finder on a Mac with macOS Catalina or later.
If you don't have access to a computer. If you don't have access to a computer and your device is still working, you can wipe and restore your device without a computer.
Get help.

How to put an iPhone in recovery mode?

Download Tenorshare ReiBoot and connect your iPhone to your computer with a USB cable.
When Tenorshare ReiBoot detects your device, you will notice that the "Enter Recovery Mode" button is highlighted. Click this button to enter recovery mode.
After a few seconds, your iPhone will enter recovery mode successfully.

How to factory reset iPhone with buttons?

Tap Settings > General > Reset. Click Remove all content and settings. Enter your password/face ID/fingerprint. Click Erase iPhone/iPad. Enter the password for your Apple ID. Your iPhone/iPad will now be reset to factory settings.

How to put phone in dfu mode without home button

In other words, you can put iPhone into DFU mode from iPhone 7 without Home button. Connect your iDevice to PC/Mac and open iTunes to finish. Turn off your iDevice by pressing the power button on the right side or up for up to 3 seconds and dragging the slider to the right to turn it off.

How to get out of DFU mode?

Press and hold the Sleep/Wake button and the Home button at the same time.
Release the keys when the Apple logo appears.
Your iPhone is no longer in DFU mode.

How to reset Android device without the home button?

Go to "Settings" >> Scroll down and select "Backup and Reset". After clicking "Backup and Reset", you will see >> another option. Click Restore factory settings. Read the information on the screen and click Reset device. If you have a screen lock, you will need to enter your PIN, password, or pattern. You will now see an option to delete everything.

What can you do in DFU mode?

DFU Mode, short for Device Firmware Update Mode, is an iPhone state where you can make minor changes to the operating system, but you don't have to boot the operating system from the iPhone or bootloader. When your iPhone is in DFU mode, your iPhone is on and you can put your iPhone where it can connect to iTunes.

How to put iPhone or iPad into DFU mode?

Connect your iPhone to your computer with a USB cable.
Open iTunes or Finder. You can now enter DFU mode.
Short press the volume up button.
Short press the volume down button.
Press and hold the side button until the screen goes black.
Press and hold the side button and the volume down button for 5 seconds.

Does DFU mode delete everything on an iPhone?

Install the latest version of iTunes.
Launch iTunes and turn off your iPhone/iPad/iPod.
Connect your iOS devices to your computer.
Press the Home button until DFU mode appears on the home screen.
Release the Home button.
Wait for iTunes to detect your iOS device in DFU mode.

What is Apple DFU mode?

Jailbreak your iPhone or unlock your device.
Remove expired iOS beta.
Downgrade iOS on iPhone.
Mac or Windows computer with iTunes installed
Latest version of iTunes installed
USB cable with lightning

What is the difference between dfu and recovery mode on iphone

The main difference between recovery mode and DFU mode is iBoot. Recovery mode uses iBoot when restoring or updating your iPhone and DFU mode bypasses iBoot so you can downgrade your current firmware as there is no iBoot agent in DFU mode.

How to get an iPhone out of recovery mode?

First, make sure your PC/laptop/Mac has the latest version of iTunes.
To do this, connect your iPhone to your PC/Mac/Laptop with a Lightning USB cable.
iTunes will detect your iPhone in recovery mode.
Now click "Restore" when prompted to restore and update.

How to put iPhone in recovery mode without home button?

Download and install the software on your computer. Use a compatible cable to connect iPhone to your computer. To put your iPhone into recovery mode, you need to click Enter/Exit Recovery Mode. Press Enter and your device will enter recovery mode. After 1 minute, your device will reboot into recovery mode.

What is the difference between dfu and recovery mode on mac

What is the difference between DFU mode and recovery mode?

Many people may get confused between recovery mode and DFU mode. Compared to recovery mode, DFU mode is more comprehensive in solving many iOS issues. iPhone DFU mode allows you to make very minor changes to the software running on the device.

What is DFU mode on an iPhone?

Since it works at a lower level than recovery mode, DFU allows you to do things that are not allowed in recovery mode. What does it look like when iPhone is connected to macOS (Catalina and above) in DFU mode? Interestingly, the term "recovery mode" is used, although it is slightly different.

What is device firmware update mode?

As the full name suggests - Device Firmware Update Mode - this mode is used to update the actual device firmware, mainly to install the bootloader. Getting into DFU mode is tricky and requires a complex sequence of keystrokes to enter. Even when it enters DFU mode, the screen remains blank.

What is recovery mode on iPhone and how to use it?

And best of all, Apple can restore and update the recovery mode if needed. Recovery mode is useful if you have a computer and Lightning cable nearby. Recovery mode is the officially supported method to restore your iPhone and it is easy to achieve if you know the right steps.

What is the difference between dfu and recovery mode windows 10

The main difference between recovery mode and DFU mode is whether the iBoot bootloader is loaded or bypassed during boot, where the iBoot agent, if available, ensures that the user has a software version of the operating system that is lower or lower than the current. a version that doesn't actually flash can disable downgrading.

What is the difference between recovery and DFU mode?

Hence, DFU mode allows you to restore all devices from any state. DFU mode is very different from recovery mode because DFU bypasses the iBoot bootloader on your iPhone, iPod Touch, and iPad.

What is the difference between DFU mode and iBoot?

On the other hand, iPhone or iPad iBoot bootloader will not boot in DFU mode. Since iBoot does not boot into DFU mode, users can use DFU mode to install an earlier version of iOS than the one already installed on their device.

What is DFU mode in Android?

DFU Mode is short for Device Firmware Update Mode. Ignore the iBoot bootloader for jailbreak. When your device is in DFU mode, the screen of the device is completely black.

How do I know if my iPhone is in DFU mode?

When you successfully enter DFU mode on your device, you will see a message saying "iTunes/Finder has detected an iPhone in recovery mode. You need to restore this iPhone before you can use it with iTunes/black screen Finder, it is not in recovery mode DFU repeat these steps.

What is the difference between dfu and recovery mode on computer

What is the difference between recovery mode and DFU mode? The main difference between recovery mode and DFU mode is iBoot. Recovery mode uses iBoot when restoring or updating your iPhone while DFU mode bypasses iBoot so you can downgrade your current firmware as there is no iBoot agent in DFU mode.

What is the difference between dfu and recovery mode on ipad

DFU mode is very different from recovery mode because DFU bypasses the iBoot bootloader on your iPhone, iPod Touch, and iPad. This is the main difference between recovery mode and DFU mode. On the other hand, recovery mode uses iBoot when restoring or updating your iPhone.

What is the difference between iPhone recovery mode VS DFU mode?

• Visit an Apple Store to have your device repaired. Basically, the main differences between recovery mode and DFU mode states that both mechanisms are used to fix your device when it encounters software issues. In iPhone recovery mode, the process is quite simple as compared to iPhone DFU mode.

What is the difference between dfu and recovery mode on pc

Unlike recovery mode, which can be updated with a software update, DFU is built into the hardware and cannot be changed. But it is a powerful tool. Since it works at a lower level than recovery mode, DFU allows you to do things that recovery mode doesn't.

What is the difference between dfu and recovery mode on android

While both recovery mode and DFU mode are designed to accomplish the same goal, which is to recover an unbootable device through recovery, they work in completely different ways. Recovery mode boots the device into the bootloader and restores the device by sending commands to the bootloader.

What is the difference between dfu and recovery mode on samsung

DFU mode allows you to make low-level changes to running software. Difference Between Recovery Mode and DFU Mode The main difference between Recovery Mode and DFU Mode lies in iBoot.

How to get out of DFU mode ?

Quickly press the volume up button.
Quickly press the volume down button.
Press and hold the side button for at least 10 seconds until the Apple splash screen appears.

How to enter factory reset mode?

Turn off your smartphone.
Press and hold the volume up and power buttons at the same time until you see the device logo.
When the logo appears, release the power button but hold the rest for a few more seconds.
Release all keys when the recovery mode screen appears.

How to enter into dfu mode at runtime windows 10

Now you know how to put iPhone into DFU mode. You can get out of DFU mode by force restarting your device. For iPhone 8/8 Plus/X or later: Press and release the Volume Up button, then press and release the Volume Down button. Later, hold the side button until your device reboots.

When should I use the STM32 in DFU mode?

Sometimes it's a bigger, more complex system where the STM32 isn't the main processor, you want to avoid accidentally putting the device into DFU mode by physically asking the user to power on the device, or you just run out of code and put it in another place.

What is DFU (Device firmware update)?

DFU (Device Firmware Update) mode is an incredibly useful feature of modern microcontrollers. This allows you to quickly and easily update your device's firmware without the need for additional hardware. This can be critical when you need to update device firmware in the field or streamline your production or development process.

How to put an iPhone into DFU mode?

Connect your iPhone 8/8 Plus/X to your computer with a USB cable.
Quickly press the volume up button
Quickly press the volume down button
Press and hold the side button until the screen goes black, then press and hold the side button and the volume down button.
After 5 seconds, release the side button while holding the volume down button.

Will an iPhone charge in DFU mode?

DFU mode is for the short-term installation of iOS on a faulty device. 1. Phase 1. 1a. For most devices and conditions, no. But they boot in recovery mode.

How to enter into dfu mode at runtime mac

Put your MacBook Air or Pro M1 into DFU mode. 1 Turn on (or leave) your Mac. 2 After it starts, press and hold the keyboard and power combination (Shift Right, Control Left, Option Left) until it turns off. 3 Count to 3. 4 Release all but the power button for 7 seconds (or until AC2 appears).

How do I Put my iPhone or iPad into DFU mode?

These are instructions to put your iPhone, iPad, or iPod touch into DFU mode when the Home button or Power button is broken. Create a new folder on your desktop called Pwnage. Put the latest firmware (download here: iPhone, iPad, iPod Touch) and the latest RedSn0w (here) in the folder.

How do I restore my device to DFU mode?

Select ipsw ENTER_DFU in the Pwnage folder on your desktop and click the "Open" button. Once your device is reset, it will enter DFU mode.

How to enter DFU mode?

How to enter DFU mode on iPhone 6/6 Plus: To put iPhone 6 into DFU mode, follow these steps: First, connect your iPhone 6 to your computer. You can use Mac and Windows PC. Then launch the iTunes application on your computer. † Now turn off your iOS device and then press and hold the power button for only 3 seconds.

How to enter into dfu mode at runtime download

Press and hold the side button and the volume down button. After 810 seconds, release the side button while holding the volume down button. (If the Apple logo appears, the side button has been pressed for too long.) Your device will enter DFU mode successfully.

How to put in DFU mode?

DFU mode is a way to restore your iPhone or iPad using a computer. To put your iPhone or iPad into DFU mode, you need to use iTunes or Finder. DFU mode works differently on iPhones and iPads with Face ID than it does on older models. For more information, visit the Insiders Technical Reference Library.

What are differences between recovery mode and DFU mode?

If iTunes doesn't recognize your device or says it's in recovery mode
If your device is stuck on Apple logo with no progress bar for several minutes
Your device displays the Connect to iTunes screen, also known as the recovery mode screen.

What is DFU mode and how do I use it?

This allows you to quickly and easily update your device's firmware without the need for additional hardware. This can be critical when you need to update device firmware in the field or streamline your production or development process. There are two ways to put the device into DFU mode.

How do I exit DFU mode on my iPhone?

You can get out of DFU mode by force restarting your device. For iPhone 8/8 Plus/X or later: Press and release the Volume Up button, then press and release the Volume Down button. Later, hold the side button until your device reboots.

How do I force a device into DFU?

Remotely control the device first to force it into DFU, or you can even control it entirely in firmware!

What is the best DFU tool for iPhone?

Fully compatible with the latest version of iOS. It is one of the most popular DFU tools to put your iPhone into DFU mode. For example, you can use ReiBoot when your iPhone crashes or gets stuck in a certain mode. B. in recovery mode.

How do you put iPhone in DFU mode?

Short press the volume up button
Short press the volume down button
Press and hold the side button until the device screen goes black.
When the screen goes black, press and hold the volume down button while holding the side button.

How to force restart an iPhone 11?

Press and release the volume up button on the left side of the phone. Press and release the Volume Down button. Press and hold the side button until the Apple logo appears on the screen.

How to reset iPhone 11 without passcode?

Open the app. After downloading the software, install and launch it.
Connect your iPhone 11 to your computer. Here you need to connect your iPhone 11 to your computer.
Download the iOS firmware package. Then check the device information again and click the "Start" button to download the latest version of iOS.
Reset password on iPhone 11.

How to get the iPad out of recovery mode?

IPubsoft iPad Data Recovery 20130610 13:51:07 Report Similar/Blocked Don't worry if your iPad is lost or unavailable. You can use this iPad file recovery to recover iPad files by extracting the iTunes backup file directly when you sync iPad with computer.

Why is my iPad stuck in recovery mode?

Download the latest software and install it on your computer.
Start the program on your computer.
On the main interface of the software, you will see three options.
Press OneClick to enter recovery mode and restart iPad in recovery mode.
Within a minute, the program will reboot your device into recovery mode.

How do you power off an iPad?

Press and hold the Sleep/Wake button until the Power button appears.
Move the slider to the right to turn the switch off.
Wait for your iPad screen to go black.

How to put your iPhone or iPad into recovery mode?

Connect your iPad to your computer and launch iTunes.
With your iPad still connected to your computer, turn off your device and press and hold the Home button.
Release the Home button when you see the Connect to iTunes screen. Your device is in recovery mode.

Is the iPad better than the iPhone?

The problems with the production of the iPhone 13 started early. A detailed report from Nikkei Asia outlines the various issues that have plagued the iPhone 13 supply chain.
Apple is still catching up. Apple wanted to release 95 million iPhone 13s this year.
The iPhone 13 launch delays will last until 2022.
It's not just the iPhone 13 production that suffers.

Which is better the iPad or the iPhone?

Work-related apps work better on the iPad.
Reading and writing on the iPad is easier, especially when there is a lot to do.
The large screen is also good for gaming.

How is the iPad different than the iPhone?

number of applications. According to a survey, in January 2013, there were a total of more than 775,000 apps in the App Store and more than 300,000 native iPad apps.
Screen size. It is quite obvious that the iPad screen size is much bigger than the iPhone screen size.
battery life.
Cost.
iPad: the best option for students.

What is the difference between an iPhone and an iPad?

Compact and powerful. Let's start with the obvious: when it comes to mobile gaming, portability is an integral part of the experience and the mobile tablet is no longer.
Lots of game options.
The game library has never been bigger.
Mobile games are here to stay and keep getting better.

How to put your iphone or ipad into dfu mode windows 10

To enter DFU mode: Connect your device to your computer. Turn off the device by pressing and holding the Sleep/Wake button or the Power button. Press and hold the power button for 3 seconds .

How do I put my iPad in DFU mode?

You can put your iPad into DFU mode with iMazing. Download and install iMazing on your Windows/Mac computer. Connect your iPad to your computer with a cable and start iMazing. Now press and hold the home button and the lock button at the same time. Wait 8 seconds, then release the lock button while holding the home button.

How to put your iPhone 8 or 2nd-generation iPhone SE in DFU mode?

How to put iPhone 8 or iPhone SE 2nd generation into DFU mode. 1 Quickly press the volume up key. 2 Quickly press the volume down key. 3 Press and hold the side button until the power off slider appears. 4 Drag the power off slider to the right.

How to fix iPhone not recognized in DFU mode?

Continue holding the Volume Down button until iTunes or Finder tells you the iPhone is in recovery mode. If the screen does not stay black, then you are not in DFU mode and need to try again.

How do I exit DFU mode on my Device?

To exit DFU mode, press and hold the Home and Power buttons until the Apple logo appears on your device.

Should i buy an iphone or ipad

So if you just need a device to develop, get an iPad as you can develop and test apps for both iPad and iPhone, so it's much more versatile. If you have an iPhone, forget about testing iPad apps because your permission is not enough. I hope this helps.

What is the best month to buy an iPad?

Amazon Black Friday: Today Amazon is offering great discounts on the entire range of iPads. That's right: iPad, iPad Air, iPad Mini, and iPad Pro are discounted.
Best Buy Black Friday: Best Buy has discounts on iPads and iPad Minis, as well as some tablets from other manufacturers, making it a great place to be.
Walmart Black Friday: Like Best Buy, Walmart sells iPads and iPad Minis in its stores, along with some inexpensive tablets from other brands.

When is the best time to buy an iPad?

iPad Pro (1st generation): November 2015 iPad Pro: March 2016 iPad Pro (2nd generation): June 2017 iPad Pro: June 2017 iPad Pro (3rd generation): November 2018 iPad Pro 11-inch: November 2018.

Can you sell an iPad to Best Buy?

Receive a Best Buy gift card worth up to $350 when you trade in an eligible iPad. The conditions of participation. Receive a gift card when you trade in an Amazon tablet or e-reader.

Which iPad should I Choose?

Highest available display performance Equipped with the new Liquid Retina XDR MiniLED display with 2D backlight system Equipped with Apple M1 chip Ideal for HDR content with high brightness and contrast 5G compatibility in WiFi + Cellular models.

What makes the iPad better than the iPhone?

The iPad is almost 7 times larger than the iPhone, but slightly thinner. The bigger device allows Apple to put better specs into the iPad. First of all, the iPad has an inch screen, while the iPhone has an inch screen, but with a slightly higher resolution.

What is best to buy iPhone or iPad?

iPad Pro 4th generation 11" and 11"
iPad Air 3rd generation inch
iPad 7th generation inch
iPad mini 5th generation - inch

Should I buy an iPhone or an iPad?

Experts from the Insider Reviews team agree that a standard iPad model is worth buying. The 2020 iPad was their best iPad ever tested by their team. Learn more about how the Insider Reviews team evaluates offers and why you should trust us.

Should i get iphone or ipad

They are somehow similar. But different in many ways. It's easy. If you mainly want to use it for data such as YouTube browsing, internet browsing and media (video) consumption, buy an iPad. The iPad's battery is great. And the screen size is just perfect (IMHO). The iPhone is in a class of its own.

Do I need a laptop if I have an iPad?

Email Calendar Tasks/notes Watch movies, songs, photos Small games Book train tickets Editing photos/movies is not that difficult, but possible for simple and quick things Long battery life, portability, possibility to connect to other Skype/Zoom - Devices, such as work calls, I can only support with iPad, but I use Macbookpro laptops of my choice.

Which iPad should I buy?

You can buy a stylus (from Apple or elsewhere) and use it on the iPad Air, but drawing probably won't be as smooth as on the Tab S8's 120Hz display.

Why would someone buy an iPad?

iPad is a computer that allows you to consume content better than a laptop. Depending on the types of tasks you do, creating content can be just as good or worse than on a laptop. Content Consumption As a device that consumes content, the iPad is an excellent one because of its flexibility in terms of holding position.

How to fix iPhone stuck in DFU mode ?

Press and hold the volume down button and the side button.
When the device reboots and displays the Apple logo, release both buttons.
Your iPhone should no longer be in DFU mode.

How to create iPhone backup in DFU or recovery mode?

Connect iPhone to computer and run iOS System Recovery.
Scan and find issues on your iPhone. Then the program will automatically detect your iPhone problems and list the possible problems of your iPhone, such as: iPhone
Start fixing iPhone stuck in recovery mode.

What is recovery mode

Recovery mode is an extremely lightweight version of the stock Android system with no graphics. Often there are apps that cause problems on the device, but the device cannot solve them.

How to enable recovery mode?

Enter Windows 10 Recovery Mode from Windows
Enter Windows 10 Recovery Mode on Startup
Possible errors in Windows recovery options

How to enter in recovery mode?

Restart your Mac.
Hold down the Command and R keys until you hear the startup sounds.
You will see the OS X Utility window, prompting you to select one of four options.

How to start Android phone or tablet in recovery mode?

Press and hold the power button and turn off your phone. Press and hold the volume down and power buttons at the same time until the device turns on. You can lower the volume to highlight recovery mode and the power button to select it.

What is dfu mode iphone 7

DFU mode is the deepest recovery mode and may be required in various situations, such as: Rolling back to an earlier version of iOS for any reason.

How to enter and exit DFU mode of iPhone?

Press the volume up button and then immediately press the volume down button.
Now release the side button and then press and hold the side/power button and volume down button for 5 seconds.
Then release the side button but continue holding the volume down button.

How to use Night Shift mode on iPhone 7?

To use Night Shift mode, iOS must be installed.
If you have iOS, go to Display & Brightness in the Settings app.
Tap Night Shift.
You can turn this feature on and off manually or schedule it to turn on automatically at sunset.
You can create your own night shift schedule if you prefer not to schedule it at dusk and in the morning.

How to put iPhone 7 in recovery mode?

Restart your iPhone 7.
Update iTunes on your computer to the latest version. Close iTunes after the update.
Connect your iPhone 7 to your computer with a USB cable, then open iTunes on your computer.
After connecting your device to your computer, press and hold the Sleep and Volume Down buttons at the same time.

How to put iPhone, iPad, iPod into DFU mode easily?

Download and install iMazing on your Mac or PC. You can download iMazing from its official website at this link.
Launch the app after installation is complete
Connect your iDevice to your computer

How do you get your iPod Out of recovery mode?

Connect your iPod to your computer in recovery mode. Launch iTunes. It should recognize your device and be in recovery mode.
Disconnect your iPod from your computer. Now turn off your device.
Now press the Start button. Connect your iPod with a USB cable while holding the Home button.

What is the function of DFU?

CY_DFU_IOCTL_WRITE Write only.
CY_DFU_IOCTL_ERASE Clear sector, sector size can be larger than writing page size.
CY_DFU_IOCTL_BHP Decrypt data before writing to storage if the DFU host provided encrypted data.

How to put an iPod into DFU mode?

Connect your iPhone to your Mac or PC with Face ID.
Make sure iTunes (macOS Mojave and PC) or Finder (macOS Catalina and later) is running.
Turn off your iPhone using Face ID if you haven't already.
Press and hold the side (power) button on iPhone for 3 seconds.

How to force iPod Touch into recovery mode?

Disconnect your device from your computer. The process will not work if you start with a phone connected to the computer.
Turn off the device. Turn off the device by pressing and holding the power button.
Press and hold the Home button.
Press and hold the Home button.
Open iTunes.
Exit recovery mode.

What to do if iPod Touch wont turn on?

Method 1: Force your iPod Touch. Force restart iPod Touch, also known as Soft Reset, is very helpful in fixing iPod Touch, iPhone and iPad system issues.
Method 2: iPod touch won't turn on even when connected to a network? Try it
Method 3: iPod won't turn on and the home button is broken? Try iTunes.
Method 4: Restart iPod Touch without iTunes

How to put iPod Touch into Disk Mode?

If necessary, check if your iPod has a scroll wheel.
Before you put your iPod into disk mode, make sure it is charged.
Turn the Hold switch on and off (set it to Hold, then turn it off again).
Press and hold the Menu and Select buttons for at least six seconds until the Apple logo appears.

What is the meaning for DFU mode that is?

Connect iPhone to computer and launch iTunes
Turn off your iPhone (press and hold the power button on the top of your iPhone) if it isn't already turned off
Press and hold the Sleep/Power button and the Home button at the same time for exactly 10 seconds, then release the Power button.

what is dfu mode