Update Galaxy Grand to Official Jelly Bean 4.1.2 XXAMC8 OS

1. First on the computer you must get the proper drivers for your phone. In order to do so,download and install Samsung KIES.
2. Then, download and install Odin on your computer.
3. And, finally download the update file by using the link from here.
4. Extract the update file on the Desktop.
5. On the computer open Odin; turn off the phone.
6. Reboot the same into download mode by pressing and holding the Power, Volume Down and Center buttons at the same time.
7. With the Grand booted into download mode, connect the smartphone with the computer via USB cable.
8. As soon as you complete the up mentioned step, on Odin you should notice: the ID:COM is yellow or blue and the “added” message is displayed.
9. If not, you need to: close Odin, reinstall the drivers on the computer, run Odin, re-connect the phone with the PC and repeat the steps from above.
10. Then, from Odin select the option named “PDA”.
11. Pick the update file; don’t make any other changes on Odin.
12. Press the “start” button on Odin and wait while the firmware is being flashed.
13. In the end, the “pass” message will be displayed meaning that you can safely unplug the USB cable and reboot your Galaxy Grand.

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If in the end, your phone gets stuck in a boot loop, then you will need to:

• Reboot into recovery mode by pressing the Power, Volume Up and Center buttons at the same time.
• From the recovery menu select “wipe data factory reset” and “wipe cache partition”.
• Finally, select “+++go back+++” followed by “reboot system now” and you are done.

Also, if during the update procedure Odin will get stuck you will have to:

• Unplug the USB cable.
• Close Odin.
• Reinstall the drivers on the computer.
• Force restart your Galaxy Grand.
• Repeat the update procedure from the beginning.

That was all for today; now you know how to manually update the Samsung Galaxy Grand with the official Android 4.1.2 Jelly Bean XXAMC8 OS. Test the new software and use the comments area from below for sharing your impressions with us. Also, stay close as soon we will show you how to update your Grand to upcoming Jelly Bean 4.2.

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Source : http://www.android.gs/