You should wait to update to iOS 10

[travelin cat]

The new iOS 10 update, released today, appears to be causing problems for some iPad and iPhone owners who are installing it over-the-air.

More here:
[macrumors.com...]

[weeks]

Ah,... this is why I always read your alerts, TC. Thank you!

[not2easy]

Yikes! Good to see they have corrected it so fast. I guess it might be time to run a backup.