5 to 6 was fine on my G4. I'm not sure how it compares to the Note 4 but the phone is at least a generation old. There is another pending OS update I've been ig

5 to 6 was fine on my G4. I'm not sure how it compares to the Note 4 but the phone is at least a generation old. There is another pending OS update I've been ignoring for a few months, not for fear of being crippled, but just because I can.