Other people are noticing that they i Phone batteries now drop from 100% to 50% in under an hour after installing i OS 10.1.1.
Now every app is tuned to the i OS 10 update and could be wasting precious battery.
The good news is that Apple will replace your i Phone 6S battery for free.
Check out our guide on how to get your i Phone 6S battery replaced for more information.
To protect yourself from these bugs, make sure you upgrade to the latest version of i OS 10, where the bugs have been fixed.
If your i Phone gets affected by this bug, restart the device then update to i OS 2.2.2 or later.