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Moto Z Phones - Mod CapableMoto Z² Force
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8 Posts

11-24-2017

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Re: WiFi Issues Z2 Force (Verizion)

2018-01-01, 16:32 PM

Has this been solved yet?

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32 Posts

10-09-2017

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Re: WiFi Issues Z2 Force (Verizion)

2018-01-02, 14:30 PM

HA! That's a good one. Maybe they'll make it their New Year's resolution to get a fix for this. But I am not holding my breath. 

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3 Posts

01-05-2018

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Re: WiFi Issues Z2 Force (Verizion)

2018-01-05, 17:59 PM

T-Mobile, not Verizon, but this seems to be the most active thread on the issue. My problems have not been with just mesh networks, but all wireless networks. What I find most amusing is that some people have reported that they can get theirs to work by connecting to 2.4GHz networks, but my phone is almost never able to see any 2.4GHz, only 5GHz. My wife and I both have the Z2 Force and we're both having massive issues with it.

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5996 Posts

12-04-2017

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Re: WiFi Issues Z2 Force (Verizion)

2018-01-08, 16:28 PM

Hi, All.

 

Thank you for all your feedback, we would need more information on this:-

1. May we know how you have setup your network?
2. How many Google nodes are you using?
3. What is the current SW version of the Google WiFi router?
4. have you configured > ISP's router/modem to bridge mode (Disabled WiFi and router functions on the modem)?

 

Best,

Swaraj

-Moto Support

If you need a reference in updating your profile, please click this link. https://forums.lenovo.com/t5/Forum-Feedback/Complete-your-forums-profile/td-p/3339943
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19 Posts

11-23-2017

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Re: WiFi Issues Z2 Force (Verizion)

2018-01-08, 16:35 PM

Not sure if it helps VZW people. Three  T-Mo Moto Z2 Forces in this house. All updated to Oreo. Only two still having wifi issues. Mine no longer does after Oreo upgrade AND factory reset. Other two haven't reset because they apparently have every app in the app store installed and don't want to reinstall. So, mine that was reset after Oreo upgrade, to is doing fine on 5ghz Google WiFi. Would only operate on guest Network before.

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119 Posts

09-27-2017

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Re: WiFi Issues Z2 Force (Verizion)

2018-01-08, 19:40 PM

_Moto wrote:

Hi, All.

 

Thank you for all your feedback, we would need more information on this:-

1. May we know how you have setup your network?
2. How many Google nodes are you using?
3. What is the current SW version of the Google WiFi router?
4. have you configured > ISP's router/modem to bridge mode (Disabled WiFi and router functions on the modem)?

 

Best,

Swaraj

-Moto Support


TL,DR: The Moto Z2 Force is NOT certified for 802.11ac Wi-Fi, and neither are a most of the problematic routers and APs on this thread.

 

Well, after never seeing this issue before, I'm experiencing it on an ISP-supplied Hitron modem/router combo. The issue occurs only on the 5GHz AC-only SSID, and no other connected device in the house seems to be experiencing it. The funny thing is, no other AP I've accessed has had this issue. Works just fine with my TP-Link Archer C8 v1, for example.

 

I've also noticed there's angle here no one's mentioned so far: Wi-Fi certification. You can look up products to see if they're certified by the Wi-Fi Alliance, which guarantees their interoperability with other certified Wi-Fi products.

  1. Moto Z2 Force: Although the Z2F is Wi-Fi certified, it isn't Wi-Fi certified for 802.11ac (see attached certification PDF). There is no other way to classify this than as an egregious and possibly deceitful omission by Motorola, especially considering the Z2F is marketed as supporting Wave 2 2x2 802.11ac. For comparison, I looked up my HTC U11 (see attached PDF,) and its certifcation explicitly support 802.11ac.
  2. Linksys WRT1900AC: only the V2 hardware version is certified. If you're having trouble with this router, check your hardware version, you might be on a different one than that covered by the certification.
  3. Google Wi-Fi: literally no Google product is certified. This isn't exactly surprising as Google is terrible at hardware, but that's another story ;) Basically, you can't guarantee any Google product's Wi-Fi to work reliably. Period.
  4. Ubiquiti UniFi: this one really surprised me, but for all the hype Ubiquiti gets, only 3 (THREE!) of their products are certified. That said, the UAC-AP-PRO mentioned in this thread is certified (see attached PDF).
  5. Hitron: here's their certified list. I'll have to check if my current router is on it or not.

Wrap up: the fundamental issue here is this is Wi-Fi standard compliance problem with the Z2F itself. The only solution that will fix this permanently is for Moto to properly certify the Z2 Force for 802.11ac, and then patch all the devices in the wild accordingly.

 

In the meantime, there may be some workarounds with router and AP settings. Apparently the Z2F isn't the only device with this problem: this blog post about iPhones with the same issue mentions the band-aid solution of setting your 802.11ac channel width to "Auto" instead of 80 MHz. Of course, this results in degraded network performance and is not a real long term solution.

 

Small note: I did notice while reviewing Wi-Fi certifications that there was no channel width specified for any device's 802.11ac certification, even when the device was certified for that standard. Whether this is because 1) no such certification exists 2) the devices don't meet the channel width certification requirements 3) channel width support is implied/enveloped by the existing certification process, I have no idea. Hope this helps folks. I'm gonna try changing my channel width and seeing what happens.

 

EDIT: before is conveniently "disappears" from Moto's site, here's the Z2F's official specs mentioning 802.11ac MIMO (Wave 2) support:

 

Windows 10 Pro: Lenovo Flex 5 (15") 81CA | Lenovo ThinkPad L380 Yoga
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119 Posts

09-27-2017

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Re: WiFi Issues Z2 Force (Verizion)

2018-01-08, 19:42 PM

Apparently you can only attach 1 file to a post, so here's the Wi-Fi certification PDF for the HTC U11, for comparison:

Windows 10 Pro: Lenovo Flex 5 (15") 81CA | Lenovo ThinkPad L380 Yoga
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119 Posts

09-27-2017

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Re: WiFi Issues Z2 Force (Verizion)

2018-01-08, 19:42 PM

Here's the certification PDF for the UniFi AC Pro:

Windows 10 Pro: Lenovo Flex 5 (15") 81CA | Lenovo ThinkPad L380 Yoga
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19 Posts

11-23-2017

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Re: WiFi Issues Z2 Force (Verizion)

2018-01-08, 19:45 PM

Then Moto should correct certification and patch for proper operation, or patch the Z2F so that it doesn't connect via AC. 

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119 Posts

09-27-2017

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Re: WiFi Issues Z2 Force (Verizion)

2018-01-08, 19:51 PM

Hey why'd my post showing that the Z2F isn't actually certified for 802.11ac Wi-Fi get deleted? It's not showing up at all.

 


_Moto wrote:

Hi, All.

 

Thank you for all your feedback, we would need more information on this:-

1. May we know how you have setup your network?
2. How many Google nodes are you using?
3. What is the current SW version of the Google WiFi router?
4. have you configured > ISP's router/modem to bridge mode (Disabled WiFi and router functions on the modem)?

 

Best,

Swaraj

-Moto Support


 

Windows 10 Pro: Lenovo Flex 5 (15") 81CA | Lenovo ThinkPad L380 Yoga
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