[Galaxy S II General] IceRapture:
Welcome to the Android community!

Sorry to hear it's not useful as a functioning phone in your country...

As for the steps in rooting your LG U+ Korean SII; you should first note that if you are still running the older Gingerbread firmware, the way I described for rooting your device is unlikely to work, and also stands a great possibility bricking your phone.

There are other methods to root the M250L on Gingerbread (If I remember correctly, I think I used CF Root when I rooted my M250L while on gingerbread). This thread contains many posts that should lead you in the right direction for rooting the older Gingerbread firmware, (especially check out pages 5 through 8~ to get you started, if you wish to keep this old firmware).

*A note for M250L IceCreamSandwich users who wish to remain on that older firmware, this guide can help you: http://devicepower.web.dusal.net/382/

If you choose to use the method I outlined, please make sure you have upgraded to JellyBean 4.1.2 (Since you are coming from Gingerbread, you will probably have to upgrade twice, first time will give you IceCreamSandwich, and the second will bring you up to date with JellyBean)

I feel the least complicated way to upgrade is using Samsung KIES, Download here: http://www.samsung.com/us/kies/

If you see Korean text while upgrading your firmware via KIES, and you check and accept everything but it still doesn't work... Don't freak out. The only 2 important requirements that it says in Korean (and will prevent the upgrade if not met) is that your battery must be at or near 100% fully charged, and you must remove your MicroSD card. If you have further issues with the program KIES itself (such as failure to download, or failure to install the downloaded firmware) as I have mentioned on page 167, my solution has been to completely uninstall KIES (including drivers), restart my laptop, and reinstall KIES and drivers.

I feel it's quite worth it to upgrade to the JB firmware whether trying to root or not.

A note for those about to rock before rooting; The Tegrak kernel has been proven to work on all 3 Korean SII models on the latest JB firmware. Besides all the 'warranty void' and 'service centers will reject' and 'proceed at your own risk' bs... it's important to mention that Korean banking apps (and possibly other banking apps) will cease to function if your phone is rooted (as my girlfriend found out when I surprise-rooted her phone to improve her phones battery life... she hasn't quite forgiven me yet... :( )

Here is the more detailed list of steps to root your M250L/S/K device on JellyBean 4.1.2 Firmware using the Tegrak Kernel for those among us rooting for the first time;

- 1 Make sure you have the USB drivers installed on your computer. You can get them via KIES (linked above), connect your device, and click Windows Update. Exit KIES when done.

- 2 Download the .tar Tegrak Kernel from the developer's blog (details for navigating this Korean page explained below) at this link: http://pspmaster.tistory.com/118

(I have attached and included all 3 .tar Tegrak kernels for all 3 Korean GS2 phones. As of current, they are up to date with the latest Korean GSII M250L/K/S JellyBean 4.1.2, MB2 firmware. For future firmware updates, or if you're like me and concerned with security and trusted downloads, please check with and download the latest .tar files from the developer's blog, link posted above)

- 3 Download Odin: http://xdaforums.com/showthread.php?t=2189539

(I believe any version of Odin will work. The latest version is 3.07 as of current)

- 4 Enable USB Debugging: Settings->Developer Options->USB Debugging (checkbox)

- 5 Flash using Odin:

a) On the right hand side, check the PDA checkbox, click the PDA button, navigate to your downloaded Tegrak kernel .tar file and select it.

b) Place your phone into Download Mode (shut it off. simultaneously hold the Power, Home and Volume-Down buttons. When the screen in Korean pops up, let go of all buttons and press the Volume-Up button once)

**On the left, in the checkboxes under Option, the only one that should be checked is Auto Reboot. It doesn't seem to matter if F. Reset Time is checked. Do NOT check any of the other options as they may seriously damage your phone**

c) Connect your phone via USB cable, and press Start after Odin has recognized your device as connected

d) Wait until done. Don't disconnect until completed.

- 6 install the Tegrak Kernel app from Google Play store to your phone. Use the Play store on your phone, or via your computer here: https://play.google.com/store/apps/details?id=com.tegrak.lagfix&hl=en

- 7 click "Enable Rooting" in the Tegrak Kernel app on your phone

Done

Common issues with Odin often stem from the USB driver not being installed, the USB cable not completely connected, both KIES and Odin running at the same time, an error from the .tar file when it was downloaded. (this is just from my personal experience...)

For navigating the Tegrak developer's Korean blog page; You'll want to scroll down the page to the file downloads, just before the posts and comments section, you'll be looking for

" *갤럭시S2 LGU+ SHW-M250L " or " *갤럭시S2 LGU+ SHW-M250S " or " *갤럭시S2 LGU+ SHW-M250K "

(Ctrl+F on the Korean page, copy/paste that into your search box, click find next) and download the correct .tar file for your device.

You may notice that the M250S and K files are MB2, and the M250L files are MB1, there was a lot of concern over this in Korean posts and comments on the developer's blog. I tried the MB1 .tar file anyway and successfully rooted my M250L device.

If anything I posted was helpful, please let me know especially by using the 'Thanks' button :)

If you have any issues, I'll do my best to help, just keep in mind that everything I post comes my own personal experiences. In other words; if I haven't had the same issues and I give you a reply, then I'm just talking out of my iPhone.... (arse)

I'd also like to give credit where it's due, to absane (page 158 post #1578) for pointing me in the right direction, and to the developers of the Tegrak kernel.

Good Luck!

-Robert

Sent from my HP EliteBook 8440p laptop using the xda website on google chrome, and a keyboard.