Hello Everyone,
I have both the AT&T (N920A) and International version (N920I) of the Note 5.
Here's what I have found thus far:
1) The symbol for 4G-LTE shows only "4G" on the N920I while the N920A shows "4G LTE" , but they are both on the LTE network that's a good thing.
2) I get 2 signal bars on the N920I, while I get 3 signal bars on the N920A. There must have been some tweaking from AT&T obviously. The only time I've seen equal bars between AT&T and an International brand was from the HTC M7 - M9. The HTC were US unlocked and unbranded.
The N920I on Left and N920A on right. Obviously by logos.
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Next you can see that's there is an update for the N920I, but not for the N920A.
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Also S-voice is not correctly installed and cannot install on the AT&T version, while the International version have the correct high quality Samsung Voice TTS Engine. If you notice, they both have the same Samsung Voice Engine version.
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The notifications are setup different, I like the N920I better, It's quicker to get to list of features. The N920I scrolls up and down, while the N920A scroll left to right.
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Not sure if you can see it, but the N920A on the right has a slight yellow tint, while the N920I is more white. Just a little!
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***IMPORTANT NOTE: N920I International does NOT come with Samsung Pay installed, I tried to look for it and install it, but it's no where to be found. I thought it would be already installed like the N920A, but it isn't. So, if Samsung Pay is important to you, then the N920I is not for you.
Other things I noticed:
1) The N920I definitely runs just a little more fluid and faster without lag than the N920A. The N920A has just a little lag at times. I believe it's due to the AT&T bloatware.
2) N920I unlocks faster than N920A in fingerprint mode. And time settings to lock the device are different. N920A doesn't have 5sec, but has 1hr. It's vise-versa for N920I
3) the N920I cost $719.99 and the N920A cost $739.99 (w/o tax).
So, that's what I have discovered so far. I hope this helps some of you trying to decide on which N5 to get. Hopefully, I can answer your questions before I get rid of one of them soon.