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I777UCLK3 for SGS2: Install Android ICS 4.0.4 for AT&T Galaxy S2 with Kies


The official Android 4.0.4 Ice Cream Sandwich firmware for AT&T Galaxy SII (I777UCLK3 for SGS2) is now out and available for download. If you want to install the update, you can download the firmware and install it on your Galaxy S2 I777 device right now using Samsung Kies software. It brings Android 4.0.4 Ice Cream Sandwich UCLK3 for Galaxy S2 SGH-I777. Here is everything you need to know followed by the download links and step by step guide:

I777UCLK3 for Galaxy S2 Firmware Details

Android Version: Ice Cream Sandwich 4.0.4

PDA: I777UCLK3

CSC: I777ATTLK3

Date: 2012-12-21

Regions: USA (AT&T)

How to Install I777UCLK3 on AT&T Galaxy S2 with Kies

Step 0: Before you begin, make sure that your phone is fully charged.

Step 1: Download and install Samsung Kies for Mac or Windows: www.samsung.com/us/kies/.

Step 2: Once installed, open Kies and connect your device to the computer. Kies will detect the device.

Step 3: A message will pop up in Kies:

A new firmware version is available. Upgrading may improve the performance of SGH-I777. Do you want to upgrade?

Step 4: Click the “Update” button, in next screen click the “Start upgrade” button after selecting the “I have read all the above information.”. The upgrade process will now kick off.

The firmware I777UCLK3 will now be downloaded and installed on your device.

Step 5: Wait for process to complete, once done your device will reboot.

That’s it. Android 4.0.4 ICS UCLK3 on AT&T Galaxy S2 I777 is now successfully installed.

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Rashid Saeed

I blog about the hottest and latest news updates and trends in the smartphone industry - in particular, the Android platform.

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