Apple Releases iOS 10.0.2 with Several Bug Fixes
Apple has released iOS 10.0.2 with a number of bug fixes to users worldwide. In particular, the update resolves an issue with headphone audio controls not working, Photos app quitting when enabling iCloud Photo Library, and some app extensions not turning on. iOS 10.0.2 is recommended for all users of compatible iPhones, iPads, and iPod touch units.
iOS 10.0.2 fixes bugs and improves the stability of your iPhone or iPad.
You can read about the security content of the latest update at link.
iOS 10.0.2 is available both via iTunes and as an OTA-update. Connect your device to a computer or hit the Software Update section to download and install the latest firmware version right from your phone or tablet.