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After V76 release, Quest pro's download speed is capped to 200Mbps

Forum|Forum|1 year ago
April 14, 2025
100 replies
17135 views

So after V76 update it seems the download speed is capped around 200Mbps and 6Ghz connection is unstable as well

I've tested on both Wifi 6 router and Wifi 6e routers and both performed simular result

I've also done some LAN connection test from my PC to Quest Pro

On the picture is side by side comparison of Quest Pro V76 and iPhone 15 Pro max connecting to my PC via a Wifi6e router with 1Gbps LAN port under the same internet environment

Meta please fix
Quest Pro Lan Connection speed
IPhone 15 Pro Max Lan Connection speed

Best answer by TomCgcmfc

Apparently Update v78.1027 Build508494848.7050.340 Fixes Download Issues. Looking forward to getting this in the near future. I believe it's still PTC right now.

https://www.reddit.com/r/QuestPro/comments/1l8fukd/update_v781027_build5084948487050340_fixes/

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LogMeInHamachi

Participant

Effects me too. Started version v76. Quest pro.

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falsk

Participant

Man, I just got my quest pro like 2 days ago and yesterday it force updated to 76 and this exact thing happend. I get 800/800 local on my phone and the headset gets 200/400. Can literally not use the headset right now cause of this.

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TomCgcmfc

Honored Contributor

Bobby_Vtb As I mentioned the the ptc v76 thread;

There may be some confusion regarding Link bitrates and wifi download speeds.

To try to cover both; With Link I can easily achieve +750mbps bitrate (checked with ODT hud performance/link summary graphs). I just ran a Telstra speed test (I'm on a 100mbps plan) on my QPro quest standalone home browser in a google window and got 108mbps download and 19mbps upload (5ms ping). So, this doesn't seem to be a V76 issue, for me anyway. I guess if you have much higher network performance there may be an upper cap on this. Hard to believe that this would be an issue for most users imho.

i9 13900K water cooled, RTX4090, Z790 MB w/wifi6e, 64Gb 6400 ram, 2x2TB SSD, 1000W PSU, Win 11, QPro, Q3, w/Link and Air Link, Vive Pro1 with 2x2.0 base stations, Etsy lens mod and Index Controllers

BobbyVtbAuthor

Participant

I mean you're using the wired link to stream, as I mentioned multiple times it's a bug that affect streaming method that needs good lan download speed to stream via Wifi

you can also test your lan connection from your Quest Pro to your PC, it’s gonna be around 150~350Mbps download speed

It’s a bug that affects Virtual desktop/ALVR/Airlink/SteamLink, and usually it needs 300~350Mbps download speed to get a good quality streaming using H264

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TomCgcmfc

Honored Contributor

Bobby_Vtb wrote:

I mean you're using the wired link to stream, as I mentioned multiple times it's a bug that affect streaming method that needs good lan download speed to stream via Wifi

you can also test your lan connection from your Quest Pro to your PC, it’s gonna be around 150~350Mbps download speed

It’s a bug that affects Virtual desktop/ALVR/Airlink/SteamLink, and usually it needs 300~350Mbps download speed to get a good quality streaming using H264

OK, I just checked this with my Router diagnostics and with my QPro connected via my official link cable connected to my z790mb usb3.2 gen2 type-c port it says that this connection is 1000mbps, which is the limit of my 1gb router. So, I'm still not clear as to what the issue is? Again, maybe if you have a much faster router/network there may be a cap.

With my QPro/rtx4090 I can easily maintain +750mbps with h.264 with 960mbps being the current limit. My download speeds are in line with my 100mbps plan. Even high streaming demand apps like msfs2024 recommend a min of 50mbps and recommend 100mbps. I don't think their servers do any better than this anyway. Depending on the time of day I often only get 20-50mbps download speed from them.

I have tested other codec with Link and found, for example, that h.265 maxes out at around 400mbps. I've always thought that this limit was more to do with the wireless capability of the headset chips. This works ok but I think I get better distance clarity and lower latency with h.264 at ~750mbps. So, if I'm achieving all this I don't understand what the issue is. Sorry mate, I'm probably missing something here. Cheers.

i9 13900K water cooled, RTX4090, Z790 MB w/wifi6e, 64Gb 6400 ram, 2x2TB SSD, 1000W PSU, Win 11, QPro, Q3, w/Link and Air Link, Vive Pro1 with 2x2.0 base stations, Etsy lens mod and Index Controllers

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TomCgcmfc

Honored Contributor

OK Bobby_Vtb I think I finally understand the issue here. It took a lot of mucking around with Oculus Debug Tools (ODT) and compared h.264 wireless results with both my Q3 and QPro/rtx4090, both on the latest non-ptc v76, likewise the meta-link app.

Using the ODT performance/link summary graphs, together with looking at windows task manager network performance, all while playing msfs2020, I was able to see some big differences.

In a nutshell, I was able to measure 500mbps bitrate with my Q3. I could only measure 270mbps with my QPro. So, the QPro could only achieve about 1/2 the wireless bitrate of the Q3. The Q3 def looked better with h264 wireless than my QPro. I don't know how this compared to earlier versions because I never ran this test before.

I've always used my QPro with flight/racing sims using the official link cable connected to my z790mb usb3.2 gen2 type-c port with 900mbps Max Dynamic bitrate, which ends up producing 750mbps measured bitrate. This still looks far better with msfs2020 than my Q3 at 500mbps h.264. Better clarity, esp. distance clarity, and 5-7ms lower latency. Even with Link, my QPro looks a little better than my Q3 with Link, thanks to its better quality QLED screens with local dimming. To my eyes anyway.

My Q3 worked pretty well at 500mbps wireless h.264 but tbh I still prefer it with h.265, which at 900mbps Max Dynamic bitrate, ends up at 220mbps measured bitrate. I think the colors, textures, and reflections look much better. There is a little more compression artifacts but I really only notice them when I look directly up at darkish clouds (I mainly fly heli's dusk/dawn with a few clouds, in cities like LA, with lots of rooftop helipad hopping. I've been nagging meta for 2 years to release an updated hevc-10bit, like VD has had for a long time. Hopefully they'll come through with this, and maybe even av1, but I'm not holding my breath, lol!

Anyway, sorry it took this 70yo guy so long to figure out this issue. I've been doing PCVR for +7 years but still have sooo much more to learn.

i9 13900K water cooled, RTX4090, Z790 MB w/wifi6e, 64Gb 6400 ram, 2x2TB SSD, 1000W PSU, Win 11, QPro, Q3, w/Link and Air Link, Vive Pro1 with 2x2.0 base stations, Etsy lens mod and Index Controllers

OlChapp

Participant

Yep. Having the same issue on my Quest Pro on v76. around 200+ and just barely 300mbps on occasion, definitely not as much I expected out a 2 Davolink WiFi 6e routers, my primary one set as AP. I'd like to know for others if their "Link-rate" in their wifi's settings fluctuates violently as well, never maintaining a consistent 2401 despite my PC stating my aggregated linkspeed is 2500/2500 and its suggested wifi speed test gives me a little over 900+ both ways.
Appreciate hearing from other's experiences.

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mooland6

Participant

Is this any better on v77?

OlChapp

Participant

Unsure. I'd reply with a follow-up but I'm not sure how to force an update to v77 currently.

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TomCgcmfc

Honored Contributor

OlChapp I believe v77 is only on a PTC rollout right now. TBH I’d recommend avoiding Enrolling in PTC because the last couple seemed to introduce more issues than they were meant to fix imho. Of course, if you want to join the Reddit kiddies brigade who always ‘have exactly the same problem’, go ahead, lol!

Edit; my non-PTC v76 just updated from v76.1021 to v76.1023. I’ll test this out later and report back. Cheers

i9 13900K water cooled, RTX4090, Z790 MB w/wifi6e, 64Gb 6400 ram, 2x2TB SSD, 1000W PSU, Win 11, QPro, Q3, w/Link and Air Link, Vive Pro1 with 2x2.0 base stations, Etsy lens mod and Index Controllers

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freejack

Participant

Just updated to v77 and at best I'd say it can maintain 250mbps but no more. This is ridiculous.

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TomCgcmfc

Honored Contributor

Bobby_Vtb This v76 bug also seems to throttle down h.265 (hevc) on my QPro using Air Link down to 160-170mbps compared to my Q3 which can achieve 220mbps. Pretty crazy eh! I wonder if others using VD are seeing the same with hecv, hecv-10bit, and av1?

i9 13900K water cooled, RTX4090, Z790 MB w/wifi6e, 64Gb 6400 ram, 2x2TB SSD, 1000W PSU, Win 11, QPro, Q3, w/Link and Air Link, Vive Pro1 with 2x2.0 base stations, Etsy lens mod and Index Controllers

BobbyVtbAuthor

Participant

It's capping all LAN connection speed so no matter what you use(eg. VD/Airlink/ALVR/Steamlink) and H264/H265/HEVC/AV1, it will all get affected

B

bowow

Inspiring

Confirming v77.1024 (build 5080163.5110.340) still has the same problem. Best case scenario I get just under 400mbps downstream. This is really hurting PCVR streaming quality for me, so I hope Meta is putting a high priority on fixing this. I reported the bug in-headset again on this most recent version (as I have every version since V76 first hit PTC).

NovaFluffyhusky

New Participant

I’m experiencing the same issue, and it’s frustrating to be stuck in limbo since there’s no way to downgrade to an earlier version. The problem persists in V77, and despite clearly outlining the situation in my support ticket—including that it’s not codec-related or tied to SteamVR—I only received generic responses suggesting unrelated troubleshooting steps (like using RouteThis or reinstalling Link). Even after I reiterated the details, it was clear the support team didn’t read or understand the ticket properly. No actual escalation, no acknowledgment of the widespread nature of this bug. It’s been an incredibly disappointing experience with Meta Support.

Update:
We're at 11 replies in the case chain and no signs of slowing down! Screaming into the void on this one

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LogMeInHamachi

Participant

Yeah we can't expect a fix soon. Another friend trying to report it got an RMA of the whole headset kit instead. And ofcourse it did not actually fix the issue.

Our best luck might be to use inside headset bug report tool. Since that sends the report to the right place atleast.

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