Is it worth buying an iPhone 5S?

I currently have a 5C but it barely works at this point and I'm in desperate need of a new phone but can only really afford a 5S. I've heard that its still a solid phone and id only need it till Christmas, as my contract runs out then. Any help would be much appreciated.

The difference between the iPhone 5c and 5s isn't really that big. However it will mean you can update to iOS 11 however it may not run too well as it's the oldest phone that supports iOS 11.

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