Need help/guidance on how custom Multi Windows function

Well now.....you didnt mention if you unlocked the bootloader. Im thinkng that is still locked? Which rom are you looking at that intrests you? You can modify your multi window without a rom. Thats a mod. But to truly be free to flash whatever rom (for your phone) that you want, you will need to unlock your bootloader. And a custom recovery. Thats where I would make a backup from. Tbackup is more for flashing between roms and keeping apps/data without having to manually enter everything again. Adam Outler is the man with the plan for you, if you want to unlock your bootloader. Plenty to read up on. Its in this section of the forums. Good stuff! I am running cleanrom 3.5 if your wondering, and enjoy my multi view.
I am no expert, thats for sure, but I learned alot from poking around here on the forums.

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First question would be, are you using Verizon note 2

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