If you want to flash a new firmware on your Galaxy Note 2 or even root it, you will have to install custom clock work mod recovery (CWM) in it. Keep in mind that after install custom clockwork mod, you are voiding the warranty. So in future, if you wish to send it for warranty, you must flash galaxy note 2 stock firmware. Anyway, here are the instructions for downloading and installing CWM.
-Download CWM recovery file from here and reboot device to download mode
-Open odin and select downloaded file for PDA tab
-Connect device to PC, and wait till device successfully added to com port
-Flash



The plan includes 250MB of data usage as well. You can fill an online form over MTN’s website to register one for yourself.
Just press the vol down + power button + home button simultaneously. A warning screen will come up. Just press the Volume Up key to continue booting your Note 2 in download mode.
Canada. It is on sale at Best Buy, Future Shop and many others and price starts at 500 dollars for the 32GB model. Folks that want the 3G version will have to wait tiny bit more as the carrier branded model will be made available later this year (2012).