I bricked mine this morning, same story as just about everybody. Once I downloaded and installed the iTunes update, then tried again, things went much smoother. Had to do a restore to factory then install the backup I made just before all this began, but more-or-less everything is stable now.
Question: Can anybody find a setting for the ubiquitous "Dark Mode"? I have gone through it all and no joy.
...And count me in for the 'bricking' experience as well...
I did the OTA at work on wifi with my 6s Plus and 9.7" iPad Pro, and both showed the connect to iTunes screen after installing the update. Have spent the last several hours after getting home, attempting to, and then FINALLY succeeding in making it to 10.0.1 on my 6s Plus via virtually the same steps as described above. I'm now at the point of syncing everything back onto the device (apps, photos, media, etc.) Seeing how it's gone getting my iPhone up and running, I'm going to wait to try to restore the iPad till my next day off, where I'll have the time to devote to getting that squared away. As to whether the OTA is still an issue, I believe blogs such as iMore, and Macrumors are now reporting that Apple has stated the issue as having been resolved. I know that I kept checking for the update when it was supposed to go live, and I'm pretty sure that I got it within moments of it doing so. So, IDK, but there's a saying I feel that applies to my situation that says...
'fools rush in where angels fear to tread'
...I guess that you could count me among one of the former ones, and not one of the latter ones, of that saying... at least for today... Lesson learned though for future updates going from this point forward.
Peace
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