So when I take a selfie, the background around me changes to a darker background and I don't like it. I want it to look the way I see it previewed, how do I turn this off?
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It's not just backing up, it's expanding your storage to whatever you want and being able to take your storage with you as well. Also you can move lots of apps to the external storage, giving you more room for the internal space. And not everyone likes to back up to the cloud as that can get hacked into, SD cards can be encrypted and are very secure.
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