The Google Play edition of the Samsung Galaxy S4 has just received its update to Android 4.3; but along with the update comes a problem that is affecting users' handsets. It seems that for some reason, the update to Android 4.3 brings with it a bug that prevents apps from writing to a microSD card. Any attempt to do so results in an error message...
Source: http://www.phonearena.com/news/Android-4.3-update-for-Samsung-Galaxy-S4-Google-Play-edition-prevents-apps-from-writing-to-microSD-card_id46268
Source: http://www.phonearena.com/news/Android-4.3-update-for-Samsung-Galaxy-S4-Google-Play-edition-prevents-apps-from-writing-to-microSD-card_id46268