Switching Between Verizon and Project Fi - Nexus 6 Q&A, Help & Troubleshooting

I've got a grandfathered Unlimited Data Plan on Verizon (which they can pry from my cold dead hands!) but I also have a T-Mobile SIM I use for my overseas trips (love the free, but slow, 2G roaming!). My Project Fi invite should be arriving in 1-2 weeks, and my plan was to cancel my T-Mobile account and use the Fi SIM for overseas roaming. My question is, if I upgrade the phone to the Project Fi-only LVY48C build, will I be able to switch between my Fi and Verizon SIMs at will, without any loss of functionality? Has anyone on Verizon tried this yet?
Thanks for any help y'all can provide!

What are the benefits of the Project Fi build over the regular build?
I should be getting my Project Fi sim the next week or so also. I also plan on doing the same (US usage with VZ UDP, Int'l usage with Fi instead of T-Mo). I can attempt the LVY48C on my N6 as soon as VZ resolves some network issues associated with my line. I don't wont to complicate things right now...
Subscribed to this thread in case anyone can give a definitive answer in the mean-while.

@black7, what ROM did you settle on? Also, out of curiosity, do you have the Google Wi-Fi Assistant available to you? Check in "Google Settings" app-->Network-->"Use open Wi-Fi automatically".
I'm trying to figure out if this feature is triggered by the presence of a Fi SIM or specific Google accounts or the Fi ROM.

DA6030 said:
@black7, what ROM did you settle on? Also, out of curiosity, do you have the Google Wi-Fi Assistant available to you? Check in "Google Settings" app-->Network-->"Use open Wi-Fi automatically".
I'm trying to figure out if this feature is triggered by the presence of a Fi SIM or specific Google accounts or the Fi ROM.
Click to expand...
Click to collapse
It's Fi sim specific
Sent from my Nexus 6 using Tapatalk

david279 said:
It's Fi sim specific
Click to expand...
Click to collapse
Great! So, just to confirm, when you re-insert your non-Fi SIM from another carrier, you lose the Wi-Fi Assistant feature?

DA6030 said:
Great! So, just to confirm, when you re-insert your old SIM, you lose the feature, correct?
Click to expand...
Click to collapse
Haven't gone back. But I was on the LMY47I build and it wasn't there then put in the fi sim and it was there.
Sent from my Nexus 6 using Tapatalk

david279 said:
Haven't gone back. But I was on the LMY47I build and it wasn't there then put in the fi sim and it was there.
Sent from my Nexus 6 using Tapatalk
Click to expand...
Click to collapse
OK, that's helpful. I think this is a really cool feature, that I'd love to find a way to enable for everyone, but right now there's so many places this access bit could be stored (server-side vs. client-side; triggered by a handset having ever seen a Fi SIM vs. Google account with an active Fi subscription vs. phone with a Fi SIM currently inserted) that anything would help narrow down at this point. At the very least, you've helped me rule out the ROM as a factor!

I got my invite yesterday, so after I ordered my SIM I chatted with Fi support and asked about switching between my Fi and Verizon SIMs once my phone is on the Fi-specific build. She told me that I would have issues trying to use a non-Fi SIM and that I should only use the Fi build for Fi. I'm still going to try both once my SIM arrives, but that was not promising news. Guess I'll have to get a Moto X Style Pure Edition to use with Verizon....or a new Nexus in a few months.
Sent from my Nexus 6 using Tapatalk

MadManMoon said:
I got my invite yesterday, so after I ordered my SIM I chatted with Fi support and asked about switching between my Fi and Verizon SIMs once my phone is on the Fi-specific build. She told me that I would have issues trying to use a non-Fi SIM and that I should only use the Fi build for Fi. I'm still going to try both once my SIM arrives, but that was not promising news. Guess I'll have to get a Moto X Style Pure Edition to use with Verizon....or a new Nexus in a few months.
Sent from my Nexus 6 using Tapatalk
Click to expand...
Click to collapse
I've switched back and forth a bunch of times, even while hot (while powered on) and it works most of the time. Takes about a minute for the radio to do its thing and get synced up.
One time I lost the ability to dial out with my Verizon sim (lost all APNs), but reflashing the radio got it working again.
Definitely worth trying.
I probably won't keep FI. The reality is Verizon works great for me and the new pricing structure brings it a little closer to that of FI.

You certainly don't want to use the "Fi specific" build on Verizon. But you also don't need the "Fi specific" build to join Fi. Any current build will work. By design, says Google.
If your Nexus 6 is already on Verizon, update your it to the current stock build, which I believe is would be LMY48I. Then join Fi and follow the instructions for BYOD devices here.
If you have any problems swapping SIMs between Fi and Verizon, it likely will be from Verizon's business rules that have nothing to do with device or build compatibility. Reportedly they often don't play nice with using the same IMEI that has been used on other carriers. (I have no experience with this. Verizon has never had its hooks into me.) And it is not clear to me if you also would be porting your phone number back and forth.

Interesting info, thanks! I will not be swapping numbers - I'm keeping my Verizon number, and using my existing Google Voice number for Fi. I'll keep the latest Verizon build, download the Fi app, and see what happens.
Sent from my Nexus 6 using Tapatalk

MadManMoon said:
Interesting info, thanks! I will not be swapping numbers - I'm keeping my Verizon number, and using my existing Google Voice number for Fi. I'll keep the latest Verizon build, download the Fi app, and see what happens.
Click to expand...
Click to collapse
Be aware that there are issues porting your Google Voice number to Fi. As I understand it, you basically are abandoning it for Google Voice forever. See this Google Fi Help page.

All I want to keep doing with my existing Google Voice number is use it for my Verizon number's voicemail, and that will apparently still work. I don't use any of the Google Voice features that will be removed once I switch to Fi.
Sent from my Nexus 6 using Tapatalk

boomerbubba said:
Be aware that there are issues porting your Google Voice number to Fi. As I understand it, you basically are abandoning it for Google Voice forever. See this Google Fi Help page.
Click to expand...
Click to collapse
I ported my GV number over to Fi to give it a spin.
When I wasn't able to get the reception I needed I was able to port my GV number back to GV when I cancelled Fi.
Steve

@MadManMoon:
You might be interested in this thread at Reddit.

prbpci0 said:
I've switched back and forth a bunch of times, even while hot (while powered on) and it works most of the time. Takes about a minute for the radio to do its thing and get synced up.
One time I lost the ability to dial out with my Verizon sim (lost all APNs), but reflashing the radio got it working again.
Definitely worth trying.
I probably won't keep FI. The reality is Verizon works great for me and the new pricing structure brings it a little closer to that of FI.
Click to expand...
Click to collapse
Which Radio did you use? I never flashed mine, bought it unlocked from Google a little more than a year ago, but now, after using Fi for a couple of weeks, it looks like it might have updated the radio itself. Not sure how to force it back to the Verizon Radio...

prbpci0 said:
One time I lost the ability to dial out with my Verizon sim (lost all APNs), but reflashing the radio got it working again.
Click to expand...
Click to collapse
The solution is to go into the calls section of the dialer and disable the call assistant settings.
https://www.reddit.com/r/ProjectFi/...ing_between_verizon_and_project_fi_sim_cards/

Related

[Q] Play Store Version and Verizon

Has there been any confirmation or otherwise on whether or not the Play Store version will be able to be activated on Verizon?
I know there's only one SKU and I know that the Nexus 5 was able to be activated on Sprint, T-Mobile, and AT&T so I'm inclined to believe the Play Store device can be activated on any of the major carriers.
i've got similar questions.
like you, i wonder if this 1 "US" model is essentially identical across the board. i wonder if the play store variant can be activated on either cdma or gsm. i also wonder if there's a difference in the play store N6 and the N6 on motorolas web store. i guess i'm really just wondering if all the bootloaders can be unlocked, no matter where you purchased your Nexus 6.
There's only 2 models one for American one for the rest of the world. I have some doubts that Verizon will activate one from the play store only because they might require the imei to already be in their system as in bought from them. But it's possible to have them add your imei after the fact. Or at least sprint was able to with the N5
GTvert90 said:
There's only 2 models one for American one for the rest of the world. I have some doubts that Verizon will activate one from the play store only because they might require the imei to already be in their system as in bought from them. But it's possible to have them add your imei after the fact. Or at least sprint was able to with the N5
Click to expand...
Click to collapse
My understanding is with Verizon, if you already have an activated nano-SIM, you can just put it in the Nexus 6 and it would work (if you set the APN details right). Can anyone confirm this?
smbruck said:
My understanding is with Verizon, if you already have an activated nano-SIM, you can just put it in the Nexus 6 and it would work (if you set the APN details right). Can anyone confirm this?
Click to expand...
Click to collapse
This is my understanding
The problem with VZW is you can't just out your Sim into a phone that doesn't have its IMEI/MEID white listed in their system because of the CDMA part. I'm hoping that all of the IME/MEID of all the Nexus 6s will be added but we have no confirmation and VZW won't comment on the matter.
I hope they don't even have to add the imei it should just work.
joshua.justice said:
I hope they don't even have to add the imei it should just work.
Click to expand...
Click to collapse
It wont just work on the cdma side .... Just like sprint and the nexus 5 they will have to manually add the imei to thier system. But should be easy .It may stop people from upgrading and keeping unlimited data but that is another thing in itself
nexus6R3plicant said:
It wont just work on the cdma side .... Just like sprint and the nexus 5 they will have to manually add the imei to thier system. But should be easy .It may stop people from upgrading and keeping unlimited data but that is another thing in itself
Click to expand...
Click to collapse
How can you be certain it won't?
Cdma doesnt work like gsm you can't just insert sim card and it work ... You could buy the n5 from Google and sprint had to manually add imei to system or you would not get 1x or 3g putting sim in only got you lte . should be the same again with both carriers now
nexus6R3plicant said:
Cdma doesnt work like gsm you can't just insert sim card and it work ... You could buy the n5 from Google and sprint had to manually add imei to system or you would not get 1x or 3g putting sim in only got you lte . should be the same again with both carriers now
Click to expand...
Click to collapse
But if you buy it from them it should work automatically? And is there any way for them to know if I get one from t mobile instead of Google and try to use it on their network?
joshua.justice said:
But if you buy it from them it should work automatically? And is there any way for them to know if I get one from t mobile instead of Google and try to use it on their network?
Click to expand...
Click to collapse
It's not going to work and unless your phone has a nano sim in it right now ie a iPhone your going to have to call and get it activated on your account... Like i said the imei on sprint had to be added until then you would only get lte .... Without a activated nano sim you won't get anything
nexus6R3plicant said:
It's not going to work and unless your phone has a nano sim in it right now ie a iPhone your going to have to call and get it activated on your account... Like i said the imei on sprint had to be added until then you would only get lte .... Without a activated nano sim you won't get anything
Click to expand...
Click to collapse
Okay, so I can cut it down and if that doesn't work get a new SIM. Can they tell the sim size based on the iccid number?
bloodiedwraith said:
Has there been any confirmation or otherwise on whether or not the Play Store version will be able to be activated on Verizon?
I know there's only one SKU and I know that the Nexus 5 was able to be activated on Sprint, T-Mobile, and AT&T so I'm inclined to believe the Play Store device can be activated on any of the major carriers.
Click to expand...
Click to collapse
The Verge said, "The Nexus 6 is going to be sold unlocked for $649... The unlocked model will work on all four major US carriers."
Straight talk
I was wondering if I will be able to use this on the Straight talk CDMA network. Seeing the Nexus 5 was not sold by Verizon that made sense, but since Verizon will have the Nexus 6 I am hoping I will be able to use this phone on Straight talk using CDMA network. I am currently on AT&T and am waiting for the N6 release to switch over to ST, but I really need to know if I can use this phone if I switch. Anyone have an idea or is it still to early to know something like this?
stunnedjack said:
I was wondering if I will be able to use this on the Straight talk CDMA network. Seeing the Nexus 5 was not sold by Verizon that made sense, but since Verizon will have the Nexus 6 I am hoping I will be able to use this phone on Straight talk using CDMA network. I am currently on AT&T and am waiting for the N6 release to switch over to ST, but I really need to know if I can use this phone if I switch. Anyone have an idea or is it still to early to know something like this?
Click to expand...
Click to collapse
I don't think you'll be able to use the N6 on Straight Talk CDMA. I can't use my Verizon Moto X on it. Only a CDMA flip phone was accepted.
You'll be able to use it he N6 on Straight Talk GSM network.
rebretz000 said:
I don't think you'll be able to use the N6 on Straight Talk CDMA. I can't use my Verizon Moto X on it. Only a CDMA flip phone was accepted.
You'll be able to use it he N6 on Straight Talk GSM network.
Click to expand...
Click to collapse
Ya, that is what I figured, not the worst thing to stay with the GSM network but I would have preferred the CDMA. Thanks.
stunnedjack said:
Ya, that is what I figured, not the worst thing to stay with the GSM network but I would have preferred the CDMA. Thanks.
Click to expand...
Click to collapse
I'm leaving CDMA for GSM once I get my hands on some Nexi 6.
Giving up both my Verizon Unlimited lines to go with AT&T.
rebretz000 said:
I'm leaving CDMA for GSM once I get my hands on some Nexi 6.
Giving up both my Verizon Unlimited lines to go with AT&T.
Click to expand...
Click to collapse
I hope you're giving (or selling) those unlimited lines to someone and not just cancelling — people would kill for those!
NOTashwin said:
I hope you're giving (or selling) those unlimited lines to someone and not just cancelling — people would kill for those!
Click to expand...
Click to collapse
I was going to try and sale them on ebay. I was looking, doesn't look like they go for as much as they use to. I'm hoping to get enough to make it worth it. At least $200 per line. But maybe with the Nexus 6 the price will go back up.

[Q] Nexus 6 on Verizon

I got my Nexus 6 from Google Play yesterday YA! i put my SIM in it and bingo 4G and service on Verizon! the one problem is I have no Data when on a phone call, I feel like I just went back a few years in time I'm reading i have to have advanced dialing 1.0 turned on, I was able to find this setting on my Verizon account and turned it on but 24 hours latter still no data when on a call
Thoughts?
Next question. Since I bought this phone outright from Google (ouch on my checking account) I have the freedom to move to any company. Sprint is out of the question since there service in Denver area is real bad. Dose AT&T or T-Mobile support Data and calling at the same time if Verizon dose not work for this?
Advanced calling 1.0 is not yet supported for the nexus 6 even if you turn it on in your account. Have to wait for vzw to enable it for this phone.
Sent from my Nexus 6 using XDA Free mobile app
Amore514 said:
I got my Nexus 6 from Google Play yesterday YA! i put my SIM in it and bingo 4G and service on Verizon! the one problem is I have no Data when on a phone call, I feel like I just went back a few years in time I'm reading i have to have advanced dialing 1.0 turned on, I was able to find this setting on my Verizon account and turned it on but 24 hours latter still no data when on a call
Thoughts?
Next question. Since I bought this phone outright from Google (ouch on my checking account) I have the freedom to move to any company. Sprint is out of the question since there service in Denver area is real bad. Dose AT&T or T-Mobile support Data and calling at the same time if Verizon dose not work for this?
Click to expand...
Click to collapse
Once VoLTE is enabled you can talk and use data at the same time. on Verizon.
Amore514 said:
I got my Nexus 6 from Google Play yesterday YA! i put my SIM in it and bingo 4G and service on Verizon! the one problem is I have no Data when on a phone call, I feel like I just went back a few years in time I'm reading i have to have advanced dialing 1.0 turned on, I was able to find this setting on my Verizon account and turned it on but 24 hours latter still no data when on a call
Thoughts?
Next question. Since I bought this phone outright from Google (ouch on my checking account) I have the freedom to move to any company. Sprint is out of the question since there service in Denver area is real bad. Dose AT&T or T-Mobile support Data and calling at the same time if Verizon dose not work for this?
Click to expand...
Click to collapse
The Nexus 6 does not support Advanced Calling 1.0 on Verizon (yet). On AT&T and T-Mobile, I have confirmed that it works fine on both. Bummer, huh? But many of the new Android phones do not support this on Verizon (again...yet). Patience is not my greatest virtue, so I'm back to using my iPhone 6 on Verizon and my Nexus 6 on T-Mobile for that reason
Cheers,
-Collin-
CollinFX45 said:
The Nexus 6 does not support Advanced Calling 1.0 on Verizon (yet). On AT&T and T-Mobile, I have confirmed that it works fine on both. Bummer, huh? But many of the new Android phones do not support this on Verizon (again...yet). Patience is not my greatest virtue, so I'm back to using my iPhone 6 on Verizon and my Nexus 6 on T-Mobile for that reason
Cheers,
-Collin-
Click to expand...
Click to collapse
Maybe i will switch to T-Mobile and see how the service is.
Amore514 said:
Maybe i will switch to T-Mobile and see how the service is.
Click to expand...
Click to collapse
It's fine near downtown, but gets crappy the further you go out. Head to the mountains and it's terrible.
Schaweet said:
It's fine near downtown, but gets crappy the further you go out. Head to the mountains and it's terrible.
Click to expand...
Click to collapse
Should i try AT&T first?
For Colorado I'd stick with VZW and ATT as they are the two reliable outside the Metro areas. Yeah, I'd try ATT before TMO.
Sent from my Dev Edition Moto X
Does anyone know if a specific app or firmware will be needed to be pushed to the phones to get their advanced calling feature, data and voice at the same time? Or, do they flip a switch and it will work already on the unlocked nexus 6? I am concerned that if I buy a job Verizon nexus 6 that it will one day not have a chance of going to me.
funkpod said:
Does anyone know if a specific app or firmware will be needed to be pushed to the phones to get their advanced calling feature, data and voice at the same time? Or, do they flip a switch and it will work already on the unlocked nexus 6? I am concerned that if I buy a job Verizon nexus 6 that it will one day not have a chance of going to me.
Click to expand...
Click to collapse
A software update will be required in order for VoLTE calling to work. No saying if/when that will happen.
Sent from my Nexus 6 using Tapatalk 2
I switched to T-Mobile from ATT and I couldn't be happier. Before that I had Verizon and so far I have no regrets my service is 7x faster then ATT LTE where I live. I tested my wife's S5 on LTE (ATT) it had 5mbs down and 1mbs up. My Nexus 6 on T-Mobile had 40down and 20up. Plus I can still use data while calling and its unlimited. These speeds aren't perfect, but I live in the middle of nowhere.
This should all be resolved once Vzw gets the N6 in stock on the 26th.

Verizon SIM Issues

I've had my N6 for a week and a half now; when I ordered it, I requested a Nano SIM from Verizon. It took longer than I expected for the new SIM to arrive, so I decided to just cut down my existing Micro SIM. Did that, installed into the N6, up and running no problem.
The Nano SIM finally showed up, and I swapped it in thinking there'd be no issue. Unfortunately when I start it up, I get a notification to "Sign into network", and when I open that, I receive a screen that says "Cannot Activate Your Device". I talked to VZW on their chat and then on the phone; the tech on the phone was asking for the IMEI which I provided, he said their system did not recognize the number and he'd have to submit a request to have it added to the database, which would take 24-48 hours, and that I could swap in my old SIM in the meantime. No problem, until I switched my old SIM back in and it doesn't work anymore either....
Any suggestions?
Sounds like you were better off keeping them in the dark. I read an article somewhere can't remember where saying that Verizon wouldn't activate any n6 that weren't purchased directly from Verizon. I wouldn't be surprised if that were true.
Sent from my Nexus 6 using XDA Free mobile app
colts187 said:
Sounds like you were better off keeping them in the dark. I read an article somewhere can't remember where saying that Verizon wouldn't activate any n6 that weren't purchased directly from Verizon. I wouldn't be surprised if that were true.
Sent from my Nexus 6 using XDA Free mobile app
Click to expand...
Click to collapse
It does seem that way. Mine came from GPS. Told them that when I requested the new SIM and they didn't give me any problems...it was "sure, confirm your address and we'll send it".
The tech I was dealing with genuinely seemed to want to figure out a way to get it to work.
My thought is to try to get my SIM back in a phone that is unquestionably on Verizon's system, but I'll have to find a nano to micro adapter to do that with my wife's phone, for instance.
I was able to find a nano-micro adapter, and reactivate my old SIM in an old Galaxy S3 we had laying around, and swap it into my N6.
LTE data is working, but voice isn't for some reason (when I place a call, it'll ring once and then "Welcome to Verizon Wireless, your call can not be completed as dialed. Please check the number..."
ETA: Voice issues were some kind of glitch with Advanced Calling/VoLTE. I disabled it from my line, reactivated it and went through that whole process again and now it's working.
This post summarizes the VZW issues with the non-VZW N6: http://forum.xda-developers.com/showpost.php?p=59970721&postcount=121
Read the whole thread if you want details, but it seems clear to me the VZW is breaking FCC regs by only allowing N6's purchased from them on their network.
It does seem you have other issues going on here though. My N6 worked great, it just cost me my $25 "bring your own device" discount when I plugged in my existing SIM.
Please let us know if you succeed in getting your N6 recognized on VZW's network. My request to add mine to their network was denied in about 5 minutes.
Same issue on b2b plan
I'm having the same issue on a B2B plan. I am currently trying to find someone w/ a Verizon android. Seems like there are grounds for a complaint through FCC regulations though, no?
prod1212 said:
I'm having the same issue on a B2B plan. I am currently trying to find someone w/ a Verizon android. Seems like there are grounds for a complaint through FCC regulations though, no?
Click to expand...
Click to collapse
This is no longer an issue. Verizon will activate all Nexus 6's now from what I've read.
See the thread below:
http://forum.xda-developers.com/nexus-6/general/fcc-verizon-t3069915
patmw123 said:
This is no longer an issue. Verizon will activate all Nexus 6's now from what I've read.
See the thread below:
http://forum.xda-developers.com/nexus-6/general/fcc-verizon-t3069915
Click to expand...
Click to collapse
My mistake! I'm using a N5.
prod1212 said:
My mistake! I'm using a N5.
Click to expand...
Click to collapse
The Nexus 5 doesn't have the hardware/radios to run on Verizon and never has just fyi.
patmw123 said:
The Nexus 5 doesn't have the hardware/radios to run on Verizon and never has just fyi.
Click to expand...
Click to collapse
I was under the impression that the N5 radio could connect to Band 13 (700MHz)
prod1212 said:
I was under the impression that the N5 radio could connect to Band 13 (700MHz)
Click to expand...
Click to collapse
Yeah it would need a lot more than just support for LTE band 13 to work on Verizon. The CDMA bands/radios are still 100% necessary - at least for now. In addition to all of the other LTE bands Verizon supports.
patmw123 said:
Yeah it would need a lot more than just support for LTE band 13 to work on Verizon. The CDMA bands/radios are still 100% necessary - at least for now. In addition to all of the other LTE bands Verizon supports.
Click to expand...
Click to collapse
Yea, I guess I am missing something here. I found that you can't enable Band 13 without rooting and disabling other bands. Shouldn't an unlocked nexus 5 just need access to Band 13 and be registered on Verizon's network in order to use LTE Band 13?
I appreciate all of the answers. I'm a bit new to this whole process, and never understood US network space before today. so thanks
prod1212 said:
Yea, I guess I am missing something here. I found that you can't enable Band 13 without rooting and disabling other bands. Shouldn't an unlocked nexus 5 just need access to Band 13 and be registered on Verizon's network in order to use LTE Band 13?
I appreciate all of the answers. I'm a bit new to this whole process, and never understood US network space before today. so thanks
Click to expand...
Click to collapse
You might find more support for your quest on the Nexus 5 Q&A forum, here > http://forum.xda-developers.com/google-nexus-5/help

Activatiion issue on Sprint with Project fi

I purchased a Nexus 6 off eBay new in box and used it with T-mobile without a problem for a while with no issues. After I received the Project Fi invite I ported my number but the phone is always on T-mobile. I called Fi team and they say the phone is still being used on Sprint network and attached to another number, I called Sprint and they won't release the phone as it's attached to another account. I tried to force it to Sprint and says it can't be activated.
Just wondering if is there is a way around this, so phone gets fully activated to on Fi to use both networks.
Appreciate any help.
remo74tg said:
I purchased a Nexus 6 off eBay new in box and used it with T-mobile without a problem for a while with no issues. After I received the Project Fi invite I ported my number but the phone is always on T-mobile. I called Fi team and they say the phone is still being used on Sprint network and attached to another number, I called Sprint and they won't release the phone as it's attached to another account. I tried to force it to Sprint and says it can't be activated.
Just wondering if is there is a way around this, so phone gets fully activated to on Fi to use both networks.
Appreciate any help.
Click to expand...
Click to collapse
Based on your description, it sounds like it was under Sprint contract to the previous owner and he never paid off the device. I would suggest starting with the person you purchased it from, and ask him that question. If he doesn't respond, isn't helpful, or confirms that hypothesis, then file a claim with Paypal. Device "significantly not as described". You will get your money back, but it could take several weeks.
This would not have happened with a purchase from Swappa.com. They vet the IMEI number to verify that the phone is unencumbered with any carrier.
You are probably better off than if you could connect to Sprint. A lot of Fi users report that the N6 prefers a weak Sprint signal to a strong T-Mobile signal or even strong WiFi.
Sent from my VS985 4G using Tapatalk

Project Fi on US Retail XT1900-1

I was having issues with activation Fi on the Sprint network so I contacted Google and they told me that my device was unsupported. I think they're wrong but the rep insisted that I couldn't use it. Does anyone on here know if I can use it?
https://fi.google.com/about/phones/
This page shows, toward the bottom, that you can 'bring your own' Moto X4 or the Android One Moto X4 . One would think this is enough evidence to show that ANY X4 will work.
Project fi uses Sprint towers... I'm currently connected to the fi network on 4g+ on Sprint tower... X4 Android One edition.
Poke01 said:
Project fi uses Sprint towers... I'm currently connected to the fi network on 4g+ on Sprint tower... X4 Android One edition.
Click to expand...
Click to collapse
I was having a lot of issues with the network switching so I've switched to using my FI sim in an Honor 7x and just using the T-Mobile towers. It's actually working a lot better.
My understanding from the reddit/r/projectfi is it will work but you do not get network switching and wifi calling working. so it will run only on t-mobile.
Activated mine no problem. Got a sim from Fi and bought a Moto x4 unlocked from best buy. Unsure why others are saying that the phone won't work, or will only work on T-mobile. I've had both Sprint and Tmo signal working perfectly fine.
Just curious, but do you have the Project Fi app installed? Have you done anything to the phone (unlock bootloader/root/etc)?
got mine today from best buy. I asked them to price match and they did. so I got it for 249. went home and pulled out Fi sim card from nexus 6 and into the moto x4. let Fi app optimize the network and after that, I am connected with Sprint towers. All stock here. it just got the last update to android O 8.0. from 7.1.1
have not tested MMS , wifi calling, and tmobile towers but I am in Abilene TX and I don't know if there is any tmobile here. I move a lot for work so soon I should be able to test tmo or uscellular.
Can anyone verify that the moto x4 fi version wifi calling works on tmobile. Was going to get the special they have then switch back to tmobile.
mattyb132 said:
I was having a lot of issues with the network switching so I've switched to using my FI sim in an Honor 7x and just using the T-Mobile towers. It's actually working a lot better.
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Project fi switches between Sprint, TMobile, US Cellular, and Next networks all which use various different methods. Gsm,cdma, etc. Your phone does not have the ability to do that. So while it may work on one of the networks that Google fi uses, it will not switch carriers like a Google fi phone should. You might be fine with that, but if you travel, that's where Google fi comes in really handy. Google fi is not for everyone. But I can tell you my bill went from 135$ a month for 2 people to 58$ a month, with better service and faster connection than at&t.

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