Early reporting from
BGR.com suggests that,
while any OS upgrade
will slow all phones down temporarily while objects get re-indexed,
some iPhone users, especially those with the iPhone 6 and 6 Plus, have
reported lasting battery life effects. These users have been running iOS 11
since last week, when the Gold Master was released.
The author suggests users might try throttling back background refresh and
location access settings:
If you experience faster battery drain after updating to iOS 11, there
are a few things you can do to potentially extend your battery life.
The two big ones are limiting the number of apps that can refresh in
the background (Settings > General > Background App Refresh) and
limiting the number of apps that can access your location in the
background (Settings > Privacy > Location Services). If that doesn’t
have much of an impact, Low Power Mode may become your best friend
until Apple pushes out new updates in the coming months that will
hopefully address excessive battery drain.
The author also wrote a
separate article with
additional information on how to lighten the load on your device.
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