Using the iPhone 6 Plus one handed is a dramatically different experience to holding the iPhone 6 and is likely to be a major factor for most picking between the two. Thankfully, it's not as bad as something like the Nexus 6, but it's going to be trickier for smaller hands. Reaching over the other side of the virtual keyboard is not easy to do for instance. You got little chance reaching your thumb to the top of the screen as well.
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