IOS 10

iOS 10 is the tenth major version of iOS that was announced on June 13 at the 2016 Worldwide Developers Conference, alongside tvOS 10, watchOS 3 and macOS Sierra. It was released to the general public on September 13, 2016, following the launch of the iPhone 7. It is the successor of iOS 9 and the predecessor to iOS 11. The OS features richer notifications, more accuracy on Siri, and installing stickers and enlarging messages in iMessage.

Features

 * App Store – brings back the "Categories" section, and organizes user reviews into "Helpful" and "Not Helpful" for developers. Developers can also buy advertisement spots when users search for content.
 * Calendar – has more settings: type of calendar, day of the week a calendar starts on, and alerts for birthdays and events
 * Swift Playgrounds – a game where you can create your own game and learn serious code in any way. It was released with the update.
 * Camera – Live Photos can be taken with filters, and music will no longer stop playing when the app is launched
 * Clock – new "Bedtime" feature and new stopwatch face.
 * Contacts – set default phone numbers and email addresses for contacts. Also a user can add and remove contacts from their Favorites list.
 * Home – a new app that allows users to manage appliances compatible with HomeKit.
 * Mail – easier unsubbing from mailing lists, re-added support for HTML5, filtering of messages by unread/read or by categories, changes to email threading.
 * Maps – scans calendar events for locations, learns from a user's typical actions, and redesigned driving view. New parked car indicators. Finds the nearest gas station, fast food restaurant or coffee shop. Third-party extension support. Displays current temperature and weather conditions in bottom right corner of screen.
 * Messages – incorporates its own App Store for stickers, games, and rich content. Visual effects and handwritten notes added. New emojis.
 * Music – redesigned. "For You" section has been reorganized, with a playlist offering daily music recommendations. Lyrics are viewable for songs in-app. "Optimized Storage", "Downloaded Music" options and tabs added.
 * News – redesigned, taking cues from Apple Music's layout
 * Notes – collaboration feature added.
 * Photos – sorts and searches the Photos app through deep learning. Memories feature added. Add doodles or text onto a photo. Live Photos can be edited. Auto-enhance feature upgraded.
 * Phone – transcribes received visual voicemails

Supported devices
The following devices are compatible with iOS 10:

iPhones

 * iPhone 5 (limited features)
 * iPhone 5C (limited features)
 * iPhone 5S
 * iPhone 6
 * iPhone 6 Plus
 * iPhone 6S
 * iPhone 6S Plus
 * iPhone 7
 * iPhone 7 Plus
 * iPhone SE

iPads

 * iPad (4th generation) (limited features)
 * iPad Air
 * iPad Air 2
 * iPad mini 2
 * iPad mini 3
 * iPad mini 4
 * iPad Pro (1st generation)

iPods

 * iPod touch (6th generation)

Currently the latest versions are iOS 10.3.3 for Wi-Fi only models, and 10.3.4 for cellular models to fix GPS issues.

Unsupported devices
With the release of iOS 10, Apple dropped support for multiple devices with an Apple A5 / A5X chip or older. The following devices are not compatible with iOS 10 or later:

iPhones

 * iPhone 4S

iPads

 * iPad 2
 * iPad (3rd generation)
 * iPad mini (1st generation)

iPods

 * iPod touch (5th generation)

Trivia

 * This is the first iOS version to feature "Press Home to unlock".
 * This is the first iOS version to have 3D Touch on the notifications for iPhone 6s and iPhone 6s Plus users.
 * This is the first iOS version to feature Siri integrating with iOS apps more than ever.
 * This is the first iOS version to have a separate app to control HomeKit products.