I've done some research and it should be okay, many sites say that if you have iPhone 4s maybe not and if you have iPhone 5s or later, it'll be fine, but I haven't read any sites mentioning iPhone 5. I haven't heard any incidences where an iPhone 5 has had any problems but my dad doesn't want me to upgrade. I really want to though…
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Should I update my iPhone 5 to iOS 9?