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Continue to ChatSprint Galaxy S 4 update adds Knox, app installs on SD cards https://www.digitalreviews.net/news/news-archives/sprint-galaxy-s-4-update-adds-knox-app-installs-on-sd-cards/
Sprint Galaxy S 4 update adds Knox, app installs on SD cards https://www.digitalreviews.net/news/news-archives/sprint-galaxy-s-4-update-adds-knox-app-installs-on-sd-cards/