Update my iPhone 6s to iOS 15.8

Yes, really.

Hello~ You need a WiFi connection to update.

~Katana-San~

It shows you the issue in your screenshot, you need a WiFi connection, a hotspot connection won't work. You may also need a cellular connection for verification.

Hello~ I gotta take a break!!🤣🤣 Really…

~Katana-San~

I hear ya, between this and the other post, it's been quite interesting in here today!

Hello again ~ I had another early today and I am just worn out!! Good to be in the forums w/you as always.

~Katana-San~

Always a pleasure Katana-San!