Download N7000ZSLM5 here. Click on the right button to download. Password required to unzip it.
Password : bbs.52samsung.com
Files that you should have. Look at the file size.
-This is STOCK and NO root.
-It will WIPE all your existing apps and setting. BACKUP before flash!
1. Download PC ODIN. PC Odin v1.87 or PC ODIN v3.04
2. Phone in Download Mode (Power+Volume Down+Home button)
3. Connect USB PC>Phone. Make sure the COM area has port number displayed
4. Follow screen below for the setting. Click on [Start]. Sit back and relax.
Note: I'm coming from XXLSA eybee stock+ROOT
How to Install (Keep your ROOT)
1. Load Via Mobile Odin (Get from Google Play)
2. Load file CODE_N7000ZSLM5_693606_REV02_user_low_ship.tar.md5
3. Keep ROOT
Note: Provided currently you are ROOTED.
Continue Reading here and Philz here