Apple released iOS 10 beta with a built
number 14A5261v to developers for download.
iOS 10 comes with lots of new features
like a new and smarter Siri, improved iMessages redesigned Apple Music app, Maps,
and News and more and is likely to be available for public betas in July
at beta.apple.com and will be officially released
in this fall.
Here's a list of iOS Devices compatible with iOS 10.With its final release, iOS 10 will be compatible with the following iOS Devices as

With its final release, iOS 10 will be compatible
with the following iOS Devices as below and the company is dropping support for
iPhone 4S, original iPad, iPod Touch fourth-generation and older
models.
Here's a list of iOS Devices compatible with iOS 10.With its final release, iOS 10 will be compatible with the following iOS Devices as
Here’s a list of iOS Devices compatible with iOS 10..
iPhones
  • iPhone 6s
  • iPhone 6s Plus
  • iPhone 6
  • iPhone 6 Plus
  • iPhone SE
  • iPhone 5s
  • iPhone 5
  • iPhone 5c

iPads
  • iPad Pro 12.9-inch
  • iPad Pro 9.7-inch
  • iPad Air 2
  • iPad Air
  • iPad 4th generation
  • iPad 3rd generation
  • iPad 2
  • iPad mini 4
  • iPad mini 3
  • iPad mini 2
  • iPad mini

iPod touchs
  • iPod Touch 6th generation iPod Touch
  • iPod Touch 5th generation iPod Touch

Also See:

Source: Apple