Download Android Jelly Bean 4.3 stock firmware for Samsung Galaxy Ace 3 SCH-I679 smartphone

Download Android Jelly Bean 4.3 stock firmware for Samsung Galaxy Ace 3 SCH-I679 smartphone from here or here. 

Firmware details
Archive name: SAMSUNG_I679_4.3_20160321
Image: SAMSUNG_I679_SJJL_ROM_20160321A & SAMSUNG_I679_SJJL_ROM_20160321GF 
Archive file size: 964 MB 
Support: Broadcomm BCM21664 
Build number: loganctc-user 4.3 JLS36C I679KEUAOI1 release-keys

Source