[Galaxy Note GT-N7000 Q&A, Help & Troubleshooting] devid801:
use KIES for download stock firmware samsung ;When connect your smartphone or Tab, Kies you automatically warn of the presence of a

new firmware update improves your smartphone or Tab with the latest available firmware....

You do not need to root or unroot the device to update the firmware.

Please ensure that KIES is closed and not running in the system tray! Kies doesn't like Odin, it's like the big brother who's always jealous that his little brother is getting to flash all the phones so he starts to flash block.

Regarding change logs. Samsung thinks firmware should be like a box of chocolates, you never know what you’re gonna get and that all a big part of the surprise user experience program so they don't publish any change logs.

Odin is a tool unofficial,.

The installation of an original firmware via odin does not invalidate the warranty.

The installation of a firmware via odin does not entail the loss of the data inside the phone.

It is recommended in every case to make backups.

Get Odin v3.04 from here: Download here ; https://androidfirmwares.net/Tools/Download/8

Just extract the Odin folder.

You will also need to install the Samsung USB drivers for the device if you haven't installed KIES. Get them from here: https://androidfirmwares.net/Tools/Download/9

Just install like any Windows program.....

Root permissions or root privileges are obtained by performing a process called routing and grant the user the ability to take advantage of specific parts of the operating system, in our case of Android, which would not otherwise be accessible.

Thanks to this process so we can use applications that leverage, more profoundly, the operating system and offer customizations and features in more than a telephone that does not have enabled root permissions. Superuser is an application that is usually included in mod ROM (for example CyanogenMod) is basically manages root permissions by opening a pop-up whenever a application request is made, in such a way as to decide if grants or less allowed to, and lists all the applications for which we have given access to root permissions.

The recovery of an Android phone is a particular feature that you can activate before the boot (i.e. , before the start) of the operating system and allows you to perform a number of specific operations, including: hard reset and firmware upgrade. Let's start by saying that the root is not a "thing" as the jailbreak and not a task to perform. On linux platform is the root administrator user who has the highest privileges in the system (such as the Windows Administrator user to understand each other). The root then you do not get, but instead get its permissions. The root permissions allow you to do anything with your system. Limited only by your imagination. We can access the system files, delete them, edit them, replace them.(root explorer), Change the frequency of the processor , Back up applications (including system) even with their data. Or remove the applications already installed, on the device.(titanium backup), partialroot that is permitted without the recovery and icon superuser with root explorer can not to heave reading/writing in to system / app .

The recovery of an Android phone is a particular feature that you can activate before the boot (i.e. , before the start) of the operating system and allows you to perform a number of specific operations, including: hard reset and firmware upgrade.

The original recovery or stock recovery is the one which is pre-installed on our Android phone at the time of purchase.

The custom recovery is a particular feature that in addition to the operations of the recovery original, allows you to install custom rom firmware (modified) as the CyanogenMod and install various hacks.

READ THIS GUIDE FOR ROOT AND RECOVERY; http://xdaforums.com/showthread.php?t=1424997