Apple's official iPhone User Guide for iOS 9.1

Ledsteplin

Genius
Gold
Oct 29, 2013
4,831
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Florence, AL
#3
You can update this guide by following the link. Then tap Update as you would to update an app. Mine is updated to 9.2.
 

iPutz

Zealot
Silver
Nov 20, 2012
962
184
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71
US Midwest
#4
They're now offering the 9.2 version to start with.