Any confirmation on 600 mhz band 71? - LG V30 Questions & Answers

Many Android blogs have reported that the V30 will have 600mhz compatibility, but I've seen no spec sheet or any other source that has hard citations.
Quallcomm says:
http://bgr.com/2017/08/28/galaxy-note-8-t-mobile-600mhz-support-vs-lg-v30/
The closest I've seen to confirmation of this is : https://twitter.com/JohnLegere/status/903262516977000450
Everything else is a headline with no source that says
LG V30 is T-Mobile's First 600MHz LTE Band 71 Smartphone
or
The LG V30 is the first phone to run on T-Mobile's new 600Mhz network

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atljatl said:
Many Android blogs have reported that the V30 will have 600mhz compatibility, but I've seen no spec sheet or any other source that has hard citations.
Qualcomm says: (on August 28, BEFORE the LG V30 was officially announced)
http://bgr.com/2017/08/28/galaxy-note-8-t-mobile-600mhz-support-vs-lg-v30/
The closest I've seen to confirmation of this is : https://twitter.com/JohnLegere/status/903262516977000450
Everything else is a headline with no source that says
LG V30 is T-Mobile's First 600MHz LTE Band 71 Smartphone
or
The LG V30 is the first phone to run on T-Mobile's new 600Mhz network
Click to expand...
Click to collapse
Oh, come on. T-Mobile confirmed it the very day the LG V30 was announced by LG. Official T-Mobile press release on T-mobile website, from August 31 (same day LG announced the LG V30):
The newly-unveiled LG V30, the world’s first 600 MHz LTE-capable smartphone, will be available at T-Mobile this fall.
https://newsroom.t-mobile.com/news-and-blogs/tmobile-600mhz.htm
T-Mobile Ready to Rock New Spectrum With First 600 MHz LTE Smartphone & 5G-Ready Network Gear
The newly-unveiled LG V30, the world’s first 600 MHz LTE-capable smartphone, will be available at T-Mobile this fall.
August 31, 2017
The LG V30 will be the world’s first smartphone to support LTE on 600 MHz as well as other spectrum bands available from T-Mobile, and the Un-carrier plans to launch LG’s latest flagship nationwide this fall.
Click to expand...
Click to collapse
It's well known and everybody has been using this T-mobile statement as reference. T-mobile released that official statement on their website the same day LG announced the LG V30 (August 31). Very easy to find.
Even the tweet you referenced FROM THE PRESIDENT OF THE COMPANY says it.
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Just to make clear, he also tweeted again -- referencing the official statement on the T-mobile website:
So, I really think you don't know how to click on hyperlinks or check sources at the bottom of articles? For instance, go this this article below... That T-Mobile press release on the T-mobile website is not only hyperlinked IN the article, but also separately referenced at the BOTTOM of the article.
LG V30 is Indeed T-Mobile’s First 600MHz LTE-Capable Smartphone
http://www.droid-life.com/2017/08/31/lg-v30-tmobile-600mhz-smartphone-first/
____
By the way... your Qualcomm link (which states that no "existing phone" can handle 600 MHz LTE band) is not valid, because that statement (August 28) was BEFORE the LG V30 was officially announced (August 31).
So, yeah "no existing" phone (as of August 28) can handle T-Mobile band 71, because in "PR SPEAK" the LG V30 didn't exist yet on August 28 (even though reviewers already had it in their hands with signed non-disclosure contracts). The LG V30 only "exists" AFTER the LG official announcement (August 31). Qualcomm wasn't going to ruin LG's big announcement scheduled just 3 days later. And T-Mobile then quickly chimed in with their own announcement, the same day of the LG official announcement, AFTER LG's press conference.
If you ask Qualcomm now (today), their answer would be different. Yes, of course an "existing" phone -- the LG V30 -- can handle T-mobile's LTE band 71.