Sony isn't known for getting Android updates out especially quickly, and the fact that Android 6.0 Marshmallow is only arriving now (a month after Nougat's official release) for the Xperia C4 and Xperia C4 Dual is proof of that. Then again, this is a last-generation, mid-range phone with an unconventional MediaTek chipset, so we'll cut Sony some slack for this one.

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