Download Android Gingerbread 2.3.6 Stock Firmware for Samsung I779 smartphone from here or here. Download previous firmware from http://littlebitjohnny.blogspot.com /2016/03/download-android-gingerbread-236-stock.html" target="_blank">here.
Firmware details
Archive: SAMSUNG_I779_2.3.6_20160901A
Image: SAMSUNG_I779_SJJL_ROM_20160901A.zip
Archive size: 237 MB
Platform: Qualcomm Snapdragon MSM865
Build number: SCH-I779-user 2.3.6 GINGERBREAD GC19 release-keys
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.
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