Hello! You are about to download the Samsung A5009_A5009KEU1AOE1_China Telecom (CTC)_4.4.4 firmware Rom file.
On this package comes in a contains Flash File, Odin Tool, USB Driver, and How-to Flash Manual.
* Backup all data Means, Create A Copy files of Contacts, Image, Video, Music and All Other Your Personal Document.
When the run flashing process the Flash tool of erases the data before start the flashing.