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Continue to ChatSony starts upgrading Xperia Z to Android 4.2.2 https://www.digitalreviews.net/news/news-archives/sony-starts-upgrading-xperia-z-to-android-4-2-2/
Sony starts upgrading Xperia Z to Android 4.2.2 https://www.digitalreviews.net/news/news-archives/sony-starts-upgrading-xperia-z-to-android-4-2-2/