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Forum Discussion
Xfinity/Comcast - CAX80 - Wifi speed went from 400 to 40 after newest firmware (help!)
Ever since the new firmware V2.1.3.5 upgrade (which I've confirmed is what my router is currently running), my wifi speed has dropped from ~400MBPS to ~40 to ~60MBPS. I've hard wired my computer to ...
Has a factory reset and setup from scratch been performed since last FW update?
What wifi devices are you using?
What wifi freqency are the devices connecting too?
Is Smart Connect enabled?
What channels are you using? Auto? Try Auto and 48 on 5Ghz. Or try setting manual channel 1, 6 or 11 on 2.4Ghz and 40 to 48 channel on 5Ghz.
Any Wifi Neighbors near by? If so, how many?
https://kb.netgear.com/19668/Link-Rate-and-Transfer-Speed
Possible issues with 5Ghz are being noticed: