Releasing in the fall, iOS 8 will work with most of Apple's newest phone and tablet releases.
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Developers can grab iOS 8 as a beta starting today along with the beta of OS X Yosemite, the newest version of the OS for Macs.
Conspicuously absent from the list above is the iPhone 4, which will probably make like many obsolete phones and die a slow, quiet death that only a few old-tech holdouts will notice.
- Get caught up with our review of iOS 8