Orbi rbk753s upload seed slowed down after installation .

[bmanny93]

After installing my new orbi rbk753s , completed speed test and my upload speed took a dive. I have Spectrum and use their modem. Having trouble with gaming

[FURRYe38]

What Firmware version is currently loaded?
What is the Mfr and model# of the Internet Service Providers modem/ONT the NG router is connected too?

How are you speed testing? Wired speed testing is preferred. 

What is the distance between the router and satellite(s)? 30 feet or more is recommended in between RBR and RBS to begin with depending upon building materials when wirelessly connected.
https://kb.netgear.com/31029/Where-should-I-place-my-Orbi-satellite

Try disabling the following and see:
Armor, Traffic Meter.

Set 20/40Mhz Coexistence to 40Mhz only. Set CTS to 2347. Save settings and reboot the router and satellite(s). Under Advanced Tab/Advanced Settings/Wireless Settings

You can find other speed diagnosis steps in the community faq: https://community.netgear.com/t5/Orbi-AX/Community-FAQ-My-Orbi-speeds-are-slow-inconsistent-and-don-...

[SubjunctiveCase]

Having similar issue except I'm experiening severely slowers down speeds (~20 up) on hardwired PC. Running RBK753S from Verizon FIOS ONT. Getting over 900/800 at router. No double NAT issues. Traffic Meter and Armor = off. PC running directly to base router. Any idea wth is going on?