Why does my iPad say error when trying to update?
One of the most common reasons an iOS update might fail is because of a lack of storage space. This is easy to resolve, so long as you’re willing to make some short-term sacrifices by deleting music, apps, photos, or videos. You only need to delete enough stuff to free up the storage required by the iOS update.
What is DFU mode Apple?
Device Firmware Update mode — or DFU mode for short — is a state that an iPhone or iPad can be put in to get your device back into working order. DFU mode is similar to the BIOS on Windows computers or Recovery Mode on a Mac.
Is there a way to fix error 21 on iTunes?
Follow our guide below to fix iTunes error 21 easily. However, iTunes error 21 often shows up while an iPhone or iPad iOS update is attempted using iTunes. The problems don’t have any specific one-button fix, thus users will have to take the hit & miss path to test each and every possible solution to succeed.
Why is my iPad not syncing with iTunes?
An outdated software issue can lead to devices not syncing. When using iTunes, check to see if your sync button is greyed out. If your sync button is greyed out, and nothing is transferring over to your iPad when you’re trying to sync, make sure your device is connected (USB or wireless).
Is it safe to restore after iPhone error 21?
One of the biggest concerns you probably have while attempting your restore and trying to fix the iPhone Error 21 is whether your data is safe. That is a legitimate concern as a lot of techniques out there might or most certainly will lead to data loss.
Why do I get error when I sync with Apple Books?
This issue might happen when you try to transfer iTunes purchases from your iOS or iPadOS device to your computer. This might also happen when you try to sync with Apple Books, because it uses the same process. If so, there might be a problem with a PDF file saved to the Books app on your iOS device.