Apple started implementing the latest version upgrade of iOS 10 in the form of 10.2 Beta 4, though the operating system is only available for developer-enabled iPod Touch, iPad, and iPhones for now. Here's what we can expect from a public release.

According the 9to5Mac, the new version will be including a number of new features like the Unicode 9.0 Emoji, three new iPhone 7 wallpapers, a TV app and a number of new camera features. The messages will also get some new screen effects a number improvements and features.

Apple already scheduled the release notes and the latest versions are now available for download. The update is also available over the air. There's no fixed schedule as to when the iOS 10.2 will be available for public, though it is expected to be coming soon or even before the year ends.

These are the changes discovered so far in iOS 10.2 beta:

Three new wallpapers in iOS 10.2 beta (only for iPhone 7 and iPhone 7 Plus)

New widget for Videos app

New Preserve Camera setting

New emoji (looks like Unicode 9.0 update/also on macOS 10.12.2, watchOS 3.1.1)

New 'Press and Hold to Speak' menu under Home Button Accessibility settings

New 'Celebration' Messages screen effect

New 'Show Star Ratings' option under Music Settings

New headphone icon in status bar for Bluetooth audio devices (previously seen with the Beats Solo3)

TV app now included on iOS 10.2 beta, Videos app still present

TV widget joins Videos widget

SOS feature similar to Apple Watch when clicking power button 5x (which may be a requirement in India next year)

Music now points to relocated shuffle and repeat controls (which have a button look now)

TV app totally replaces Videos app on beta 3

Feedback app returns in beta 3

Previously seen SOS feature now only available in India (due to upcoming requirement)

New 'Love' screen effect joins 'Celebration' in Messages

Stay tuned for more news on iOS updates and more.