ios - Image still shown correctly(?) when retina version removed -

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in app, have uitabbarcontroller. has 1 viewcontroller, has tabbar item set image. when run program on simulator iphone, image shown ok. decided test it, , removed @2x version of same image - , switched iphone (retina 4 inch) during simulating, in hardware->device menu, image still shown ok. why it, can explain?

clean app , remove device, has happened me several times.

anyway, what's problem on having both images @ same time? system choose proper one.


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