Breakdown of iPhone Install Base Suggests Massive Upgrade Cycle This Year [Chart]

Morgan Stanley has created an iPhone install base chart that breaks down devices by generation and carrier. 

The chart reveals that many iPhone users are still using the old iPhone 4 and iPhone 4S smartphones. This means that come launch of the iPhone 6, it's possible that Apple will see a massive update cycle from all those users looking to upgrade their smaller iPhones.

Are you one of those iPhone 4 or 4S owners? Are you waiting planning to upgrade this year? Let us know in the comments!


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