To do this, connect your phone to its lightning cable and long press the Home button while connecting it to your system. Holding the Home button, open iTunes on your system until you see its symbol on firmware your device. Now, you can take the assistance of iTunes to restore it. Invalid instance field in UDF Version Ack. Invalid instance field in Firmware Version Ack.
It usually means your computer can’t recognize the IPSW files. And it is probably because of invalid or firmware files, outdated iTunes versions, and so on. In every problem, one of the easiest things to solve a problem is to restart your device.
- The Device Firmware Update/Upgrade (DFU) Mode allows all devices to be restored from any state.
- Normally, we need to use iTunes to restore iPhone firmware.
- Senior writer of the iMobie team as well as an Apple fan, love to help more users solve various types of iOS & Android-related issues.
- The reason why this error shows up because the backup that you have performed earlier wasn’t successful and it created a corrupted file.
Navigate to find the corrupted DOCX word file and select it. Then click “Open” and select “Browse” to open the corrupted .docx file. How to define if a Word .docx or .doc file is corrupted or not?
An IPSW file (which stands for iPhone Software, iPad Software, or iPod Software) consists of both the system software and firmware for the iPhone, iPad, and iPod. If you’ve ever updated or restored an Apple device on your Mac or PC, it’s what provides iTunes or the Finder app with the data required for the procedure. You can click the “Download” button to install the firmware version. Select the version just prior to the latest update that caused the iPad white screen of death for you. To recap, IPSW files hold the system software and firmware for the iPhone, iPad, and iPod and are only used when updating or restoring your mobile devices. So if you keep running out of disk space, you can safely delete them. Additionally, you might want to delete an IPSW file if it’s corrupted and you keep running into issues while updating or restoring an iPhone or iPad.