Just less than a week after the update of iOS 10.1, Apple releases iOS 10.1.1 for iPhones, iPad as well as iTouch. The update fixes the bugs on a specific issue with the Health app, where some data was not showing.
Nte that just last week, iOS 10.1 was released by Apple. The updates included are fixes some bugs and the iPhone 7 Plus portrait mode on the camera.
The Apple iOS 10.1.1 is the new update after the iOS 10.1 and it improves not just the problem in the Health app but also improves other niggling issues. However, in the release notes last Monday, Health app is the only mentioned information with bug fixes.
Apple has told us that the update should restore "missing" health data as well as prevent future data from disappearing. If you've been having this problem since you installed iOS 10.1, you should install the update as soon as you can, according to Ars Technica.
To install the update, back up your iOS device first. Then you can perform and over-the-air update, as long as you have an internet connection, by tapping the Settings app and then General, then tap on Software Update.