Just recently public of release of iOS 11.0.1 with bugs fixes and lot more
improvements, Apple again brings our new first beta version of iOS 11.1 with a
build number 15B5066f to developers along with the developer first
beta version of macOS High Sierra 10.13.1(17B25c), watchOS
4.1(15R5823c) and tvOS 11.1(15J5559d) software updates.

The iOS 11.1 beta can be downloaded on iPhone/iPad for registered developer only through Apple Beta Software Program with configuration profile installed

Install iOS 11.1 beta 1

The iOS 11.1 beta can be downloaded on iPhone/iPad for registered developer
only through Apple’s
online developer center
 & Apple Beta Software Program with
configuration profile installed which is then update via OTA (Over-the-Air)
from Settings >> General >> Software Update>> Download
& Install >> Enter passcode and wait for a while to complete
installing iOS 11.1 beta 1. 

Install macOS High Sierra 10.13.1 beta 1

In case of mac, macOS Sierra 10.13.1 beta 1 can
be installed through Mac App Store’s Updates tab. 
Install watchOS 4.1 beta 1

And for Apple Watch, watchOS 4.1 beta 1 can be installed
with the Watch app on your iPhone by tapping My Watch → General → Software
Update.
Install tvOS 11.1 beta 1

Similarly, for Apple TV, tvOS 11.1 beta 1 can be
installed in Settings → System → Software Updates → Update Software.
So stay with us and don’t forget to follow iMangoss on Social Networks
FacebookTwitterGoogle+, or RSS and also on Apple News for more
updates if you haven’t already.
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