On my S7, I have no issue with viewing images in the gallery app but when I'm in an app such as Instagram, almost all images show up as gray squares (except for ones I've gotten since this started happening). I've tried resetting my Instagram app and all other affected apps, and force closing gallery but it won't stop doing this. I don't have an SD card, so that's not why (another thread cites this reason). Any idea how to fix this?
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