I'm running I337 S4 on ATT and file locations were a little different..
/system/app/FWUpgrade.apk
/system/app/FWUpgrade.odex
/system/etc/otacerts.zip
/system/priv-app/wssyncmlnps.apk
/system/priv-app/wssyncmlnps.odex
/system/app/LocalFOTA.apk
These 2 are responsible for the title bar...
Facebook
Twitter
Instagram