[Galaxy S II General] BerryCodes:
[Tutorial] How to root to unlock Samsung Galaxy S2 SC-02C Docomo and get Kies updates

If you are a newbie and not familiar with some of the terminology, don't worry. I have explained that in simple terms so that even basic users can understand it. This way the community can attract new users.

In this guide, we are only rooting the SC-02C for the purpose of unlocking the phone and once unlocked, we'll put the original firmware on it so that you can get Android updates officially with Samsung Kies. The phone will stay unlocked of course. Once everything is done, the root will be gone (so your device is unrooted). Therefore, if you are using this guide to JUST root and not do anything else, I cannot tell you whether everything on your device will still work because I didn't test it. The idea here is to root in order to unlock and then remove the root again.

THE PROCESS:

1. Root the phone

2. Unlock the phone

3. Put original firmware on the phone so that you can get official updates with Samsung Kies. This will remove the root.

HOW TO ROOT SAMSUNG GALAXY SC-02C DOCOMO:

In order to root the phone to unlock it afterwards, we can use the CF-Root method. There is something on your phone called a Kernel, which is basically the thing that connects the software and the hardware on your phone (don't worry about it further if you are a newbie). With the CF-Root method, we'll be substituting the original Kernel with a rooted Kernel and therefore the phone will be rooted. To do this, we need two things:

1. The file for the rooted Kernel for SC-02C

2. Odin (A program to install the file. This is also called flashing the file)

To get the rooted Kernel file, quickly follow the tutorial on this site.

http://www.jayceooi.com/2011/08/03/download-cf-root-for-samsung-galaxy-s2/

To flash the rooted Kernel with Odin, watch the video on this site:

http://www.jayceooi.com/2011/08/04/how-to-root-samsung-galaxy-s2-with-cf-root-video/

Once rooted, proceed with unlocking:

HOW TO UNLOCK SAMSUNG GALAXY SC-02C DOCOMO

Before you do anything further first find out (for free) whether the unlocking is guaranteed to work by testing the connection between your PC and the unlock server of GalaxUnlocker because if this isn't guaranteed, you'll run into errors.

1. Download and install GalaxyUnlocker tool

Get it from CNET: http://download.cnet.com/GalaxyUnlo...ml?spi=df9e3075b219fb1e7dc49fc9b69fa2d1&dlm=0

Make sure to install BOTH, the unlock software and also the Samsung drivers even if you already have drivers installed on your PC:

2. Free unlock test

Launch the software on your PC by going to Start. Then click the GalaxyUnlocker icon. You can also go to Start > All Programs > GalaxyUnlocker > GalaxyUnlocker.

Enter these login credentials:

Username: TEST

Password: GALAXYUNLOCKER

Click connect and now watch the text window in the software. If it says "Unlock System Online", then you are good to go! This means the connection to the server between your PC and the unlock server works and the unlocking is guaranteed.

3. Unlock the phone

The bad news is that this isn't free. The good news is that there is a discount coupon on the website to get it 10% cheaper. To get the coupon, go to the following site and at the bottom of the page click the coupon sharing button thing:

http://www.galaxyunlocker.com/products/unlock-samsung-sc-02c-docomo-galaxy-s2

Once you have your unlock credit, proceed:

a. Close the unlock software if it is still open. Only connect to the Internet with a standard high speed connection and not a wireless modem, a VPN, or a proxy!

b. Uninstall Samsung Kies if it is on your computer

c. Insert original Docomo SIM card. If you don't have one, don't use any SIM card. If you get the Phone Freeze error, don't use a SIM either.

d. Make sure bluetooth is turned off and increase the screen time out to the maximum in your display settings on the phone.

e. Turn on USB debugging: Settings > Developer Options > USB debugging. It may also be Settings > Applications > Development > USB debugging.

f. Connect phone to computer. Enter username and password that YOU purchased (not the test password from above) and click connect.

g. Press Rescan button.

h. Click Read Unlock Codes. Write down the code, power off the phone, insert non-Docomo SIM card, power on the phone and it will ask for the unlock code. Enter the unlock code now. Make sure to first enter your SIM PIN number if your SIM has a PIN on it! Done!

Troubleshooting:

Error: Make sure you have the correct comport selected

Solution: you have to set the port numbers manually. Easy done:

Open “Device Manager” on your computer:

Windows 7: Go to Start and type Device Manager in the search box. In the search results, select Device Manager.

Windows XP: Go to Start > Settings > Control Panel (switch to classic view) > System > Hardware (Tab) > Device manager

Under Modems click the “+” sign. You should now see your Samsung Android modem. Right click it and select Properties.

Go to the Modem tab and you will see the Port. For example COM1, COM2, COM3, COM4, or any other Port.

Go back to the unlock software and make sure that the Port number you saw in the previous step is selected under Select Comport AND also under Select Modem. For example, if the port number is 4 from the previous step, make sure that 4 is selected in the unlock software under Select Comport AND under Select Modem so that both show the number 4. Or if it the port number is 3 or 2 or any other from the previous step, make sure to set that number under Select Comport AND Select Modem.

Close the Properties of your Modem.

In Device Manager, click the “+” sign under USB-Controller (might be called Universal Serial Bus Controller). If you see your Samsung Android modem in the list, you are good to go. Close Device Manager.

4. FLASH ORIGINAL DOCOMO FIRMWARE TO BE ABLE TO GET OFFICIAL UPDATES WITH SAMSUNG KIES

We have to put an original Docomo version of the SC-02C on it if you want to be able to receive official updates from Samsung Kies. You will lose root in this case when Kies does its update but as mentioned before, we only needed to root the SC-02C in order to unlock it.

Let's flash an original Docomo Gingerbread version on it. Others have already written well how this works so here simply read on:

a. Download the SC-02C Gingerbread firmware from this site

http://www.samsdroid.com/2012/05/sc02comle1-android-236-japan-docomo.html

(It is a slow download if you use the free option)

b. Follow the instructions for using Odin to flash the above downloaded file onto your device:

http://xdaforums.com/showthread.php?t=1075278

c. Once everything is done, install Samsung Kies software onto your computer:

http://www.samsung.com/us/kies/

Connect your phone to the PC and Kies will let you know whether there is an update. You should see one to Android ICS so do the update.

So now you have an unlocked SC-02C on Android 4.0.x Ice Cream Sandwich being able to receive official updates via Kies.

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