Samsung Galaxy S II (AT&T) SGH-I777: Install Android 4.0.4, 4.1.2 Firmware Update

Here's how to manaully install the official Android 4.0.4 Ice Cream Sandwich released for Samsung Galaxy S2 SGH-I777. This guide has been useful if you can't get the update thru Kies or OTA, for some reasons if your device is already rooted or installed with unoofficial firmware.



Thus, who aren't touch their devices like rooting and may only update via Kies. You can follow the official support

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Samsung Galaxy S II (AT&T) SGH-I777: Install Android 4.0.4, 4.1.2 Firmware Update

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