Best version of Note 4?

I currently have a LG G4 verizon edition. I am jumping to ATT so I need a new phone. I looked at the G5s but not much changed or is different than my current g4. I would jump to G4 gsm version but the boot loop issue is not something I want to risk. I need the phone to last a couple years. Note 4 seems comparable to G4.

Things I care about:
- Removeable battery
- SD Card
- IR blaster
- OIS
- unlocked bootloader for root access

Note 4 seems to check all these off. I been reading about the 910T (snapdragon tmobile version) and they seem to be able to unlock the bootloader and still support att bands. I know att and verizon tend to lock their phones down too tightly. Should I consider an international version (exynos), if so which version that supports both att and tmobile bands?

Does the exynos or snapdragon tend to have better unlocked bootloader/root support? I will probably just run a debloated stock firmware since I want s-pen support/etc.

Thanks

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