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Apple's new iPhone 15 is an underwhelming 'slap in the face,' say disappointed fans
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
XR to 15 is more like 5 cycles, so I think this upgrade is going to be a huge improvement for you. I upgraded from it after a mere two (though to the 12 Pro and not the 12) and the difference was very noticeable, especially in the display and camera, but also just in how much smoother and snappier everything got.