This fixed my issues with the WiFi Driver:
Download the Surface Pro 3 June Update:
Worked for me!
Surface Pro 3 Slow WiFi - 72Mbps Max (driver)
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Anonymous
I have an Apple Airport Extreme 802.11ac wireless router at home and am only connecting at a max of speed of 72Mbps (usually closer to 11Mbps if I'm more than 20 feet away from the WAP). I have two other 802.11ac laptops at home (Samsung AB9+ and rMBP) and my two other computers are connecting up at 800Mbps+ and pulling down the same on Internet speed tests; yes, I have real GigE connectivity. Is anyone else having these problems?
Surface | Surface Pro | Network
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Anonymous
2014-06-28T08:19:56+00:00 -
Barb Bowman 80,805 Reputation points MVP Volunteer Moderator2014-06-28T11:11:54+00:00 I've been speaking with a number of other friends/family/colleagues that also picked up Surface P3s on Day 1 and they seem to be having the same issues. 802.11ac compatibility seems to be the worst, but even 802.11n speeds seem to be worse than other stable devices.
Try downgrading the driver.
of course, this is just a workaround.
It is disturbing that there have been no replies from Microsoft here in this forum that 1. acknowledge the issue and 2. state that engineering has repro'd and is working on a fix.
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Anonymous
2014-06-28T11:40:20+00:00 I've been speaking with a number of other friends/family/colleagues that also picked up Surface P3s on Day 1 and they seem to be having the same issues. 802.11ac compatibility seems to be the worst, but even 802.11n speeds seem to be worse than other stable devices.
Try downgrading the driver.
of course, this is just a workaround.
It is disturbing that there have been no replies from Microsoft here in this forum that 1. acknowledge the issue and 2. state that engineering has repro'd and is working on a fix.
Agree. In the positive side, nobody has came saying that you don't know how to use the device.
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Anonymous
2014-06-29T03:09:31+00:00 Unfortunately I have not heard anything yet but I have to assume that they are working on a fix now. They can't afford having a bad device be on the market for too long. I had to return mine since it was unusable. I would purchase it again if they fix the wifi issues with AC though.
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Anonymous
2014-06-29T21:09:29+00:00 Unfortunately I have not heard anything yet but I have to assume that they are working on a fix now. They can't afford having a bad device be on the market for too long. I had to return mine since it was unusable. I would purchase it again if they fix the wifi issues with AC though.
Changing out the driver fixed it for me, too. I put a post out in the main area trying to give folks a heads-up about it. I am now cruising along at 800+mbps. Connects to every WAP I use now right as it starts up.