Upgrade FIRMWARE SAMSUNG GALAXY S II (SHW-M250S)

STEPS TO INSTALL THE ANDROID 4.1.1 FIRMWARE ON YOUR SAMSUNG GALAXY S II (SHW-M250S):

1. DOWNLOAD ODIN (any version) you can download ODIN From HERE

2. DOWNLOAD the  FIMRWARE from HERE.

3. DOWNLOAD the SAMSUNG USB DRIVER from HERE

4. After the Samsung USB driver has installed open ODIN,
Connect your phone in the "DOWNLOAD MODE"
HOW TO? Hold POWER+HOME BUTTON+VOLUME DOWN button together hold until this screen appears



PRESS "VOLUME UP" to Continue.
When you will be in your download mode, connect your device to the Computer via USB data cable. As soon as the device is connected,
the Odin will automatically recognize you device, which can be verified by the ID: COM section which turn yellow if device driver is installed
correctly and it detect the device.

Then, go for PDA tab and select the file KIES_HOME_M250SKSJMB1_USER.tar file.



click on Start button for starting the update process , After the completion of the installation process, you device will reboot automatically
and display a PASS Green message.
Disconnect your device from the Computer and reboot it in recovery mode. For that you must
press and hold Home + Volume Up + Power keys together.
After getting into the stock recovery mode, you need to clear the data by choosing ‘wipe data/factory reset’, this you can confirm
by tapping ‘Yes’ on the next screen.
Then, select the ‘+++Go Back+++’ > ‘Reboot System Now’ option to restart your Galaxy S II.