On the main page, you will see options and from there, select the “Standard Mode” option. The terms firmware and operating systems are used by many people interchangeably. A more detailed understanding of these matters finds that this two are different. And from firmware, the operating system can exist independently. During use, the firmware of a phone remains unchanged usually.

The updater does not know how to handle them. This firmware is too old, make sure you have the latest version and try again. An internal error occured (Version mismatch). The product could not store the firmware in its memory.

Like factory reset and Recovery Mode, repairing iOS by using DFU mode will also erase iPhone data and settings. However, you can put your iPhone stuck at black screen, white screen, or Apple logo back to normal. Just like iTunes, When restoring the backup, it will delete the targeted iPhone data. So this feature plays its role when people update their iOS/iPadOS. The iPhone/iPad firmware file is a file with the IPSW extension consisting of the system software to maintain the stability and compatibility of your iOS devices.

• When iPhone is stuck in the Apple logo, it equates to a toy without batteries.
• Most probably, you have reduced the brightness level of your Mac to the minimum level.
• Simply put, it can only recover 2 videos/photos/app photos each time, recover 10 contacts/call histories once, etc.
• After successful downloading, the program will scan and classify files automatically.

You can update your iPhone again to see if this method has solved the problem. My iPhone won’t update, what stock firmware file could be the problem?

Remember to back up your iPhone in the very beginning because this way will erase all your data. Locate and select IPSW firmware files on your computer. A few minutes later, the device will restart in normal mode.