Apple has released iOS 10.1.1 for compatible iPhone, iPad and iPod touch running iOS 10. It is a minor update that fixes a bug that caused Health data to not show up for some users. It is possible the update includes other fixes and changes as well. You can see more details here.
How to Install iOS 10.1.1 Update?
There are three ways to install iOS 10.1.1 update on your iPhone, iPad or iPod Touch. The easiest way is to install iOS over-the-air (OTA). You can also install the latest iOS update using iTunes. This is useful if you fail to install the update via OTA. The third method involves using a IPSW file to update your iOS device. This method is only recommended for advance users only.
Remember to always backup your data before installing any software update on your iOS device.
iOS 10.1.1 IPSW Firmware Download Links
If you want to install the latest iOS update using IPSW firmware files, the links below point to the appropriate files on Apple servers: