Unknown error while updating ipod

: This means that the modem firmware could not be updated.

unknown error while updating ipod-49

There are times when things may go wrong with the phone or touch and you may need to restore the device to factory settings and start over.

“What is i Tunes or i Phone error 21 and how to fix it quickly?

I got this when I tried to connect my i Phone 7 to i Tunes and update to i OS 11, which says “ The i Phone could not be restore.

by Abby July 18, 2017 | NO COMMENT Get confused when you met the i Tunes error 21 when you update your i Phone, i Pad or i Pod touch 6 to i OS 11?

Now we’ll show you how did this happen and how to cope with it easily.