Yes the update is definitely coming soon! Samsung sends the update to your carrier when ready. Then once your carrier receives the update from Samsung and feel it's ready, they will send it out in waves to multiple devices at a time. You should be recieving it soon👍 Stay on the lookout!
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Googoling i found this:
A Redditor (LTEX90) who has been quite consistent with Samsung software update info now claims T-Mobile owners of both the Galaxy Note 9 and Galaxy S9 may not receive their anticipated updates to Android 10 as scheduled.
Update has been halted for T-Mobile. T-Mobile gave us network code to enable faster data technologies that was meant for their Galaxy S/Note 10 series. They want us to disable certain network features on the Note 9s because their network is unable to handle the load. This is all I can say right now.
If LTEX90 is to be believed, T-Mobile wants Samsung to disable some network features on the Galaxy Note 9 and S9 in order to accommodate their network load, something that might not be received well.
If that's true then T-mobile should stop selling thousands of Note 10s every day. Their network can't handle the load. The S20 will be available soon with Android 10. Will it have have the new network features and will their network be able to handle the load. Sounds like they want to add these new features only to the latest devices and we'll be taking one for the team. I think we're missing some information about this. Actually I haven't been able to find anything on the T-mobile website regarding the S9 series.
I guess we'll have to wait and see what happens.
Galaxy S9 SM-G960U
Security Patch Level
December 1st , 2019
And the Answer from T-mobile is? Eh we haven't received any software yet and meanwhile AT&T and xfinity are already reciving the android 10 in the s9 , so let's play ping pong. The N.1 US carrier haven't receive the software from Samsung?.. i guess it is a marketing strategy before the lunch of the s20 maybe or who knows?.