I discovered the issue that cut my DL speeds in 1/2 for me was thr Norton I downloaded. Once I removed it from my system the DL speeds went back up to 850 - 920 again. The xi6 boxes were not the issue at all. I called Norton tech support and they of course had no answer why their product would 1/2 my 1 gig tier speeds. So for not the standard Windows 10 security is fine + I use the free version of malewarebytes to scan on occasion. I also have Xfinity xfi which adds another layer of network security for the home.
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Sudden major drop in download speed issue:
I have the gig dl sped tier and typically got dl speeds between 850 - 940 on the xfinity speed test. That is until last Friday when I removed 1 xi3 companion box and added 2 xi6 wireless companion boxes to my X1 ARRIS XG1v4 main box. Gateway XB6 TG3482G and all other parameters remained the same.
After installed the 2 xi6 X1 companion boxes my dl speeds dropped from aforementioned to 420 - 450. I spent hours on the phone with various comcast techs to no resolution. I restarted the gateway, unplugged the 2 xi6 from the wall A/C then rebooted the gateway, then re-tested the speed and still got 430 instead of 900 - 1000 gigabyte tier I am paying for.
A tech is scheduled to come out this Tuesday but based upon times past they are not very up on these things & even told me all they do is run cable usually. We will try a cable amp & gateway switch out probably. But sadly I think there is some serious throttling going on once these xi6 boxes are added to customers systems & they lose their 1 gig tier speeds.
What’s worse is nowhere is it mentioned pre-order that this can happen. If this is normal then it should be stated online & at the comcast store fronts but even those employees know next to nothing like the girl that got me the 2 xi6 boxes said she was new & who knows what she did in adding codes or possibly messing up something.
All I know is I was told the dl speed check should show near 1000 for the gig tier and the addition of the xi6 should not affect it. Again I unplugged them in my testing and still got 450 dl. I have called comcast multiple times and spent hours on the phone going through the customer corrals & hold times with none of the tech knowing hot to correct the issue. What to do?
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