Change modem to get different bands - Nexus 5 Q&A, Help & Troubleshooting

Hey guys,
I have this D821 which doesnt have the bands for LTE that my country has. The one that works with the LTE bands here is the D820.
Now, I also have a smashed D820 laying around, with a cracked LCD and I believe the motherboard is not working well either. But I have used the battery, and the audio jack to replace the ones on my D821.
I was wondering if it would be possible to change some of the internals from one phone to the other in order to be able to get LTE bands here.
I found this photo of the Nexus Internals
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Do you guys know which part I would need to change in order to be able to get LTE bands? Or if this even possible? Anyone has done something like this before?
Sorry for the poor english.

Service manuals are here. You may be able to find answers to your questions in there.

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[Q] OnePlus One In Canada - Which Providers Will Work?

Hello All,
I just got invited to purchase a One yesterday, but I am not sure what providers/carriers I am able to use it with in Canada. I was wondering if anybody had one and could tell me who it will work with or knows who it will work with. The providers that I am looking at are:
-Telus
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Thanks,
Graeme
if its unlocked, then it should work with all, as they all use the same spectrum,
P.S mind sending an invite your neighbours way
OK so first thing first, koodo, Fido and virgin mobile is owned by one of the big 3, so if the phone works on the big 3 it will work on them.
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Now that is right from OnePlus One, so the only carriers I don't think will work, is carriers like wind, mobilicity, and companies like that

USA Help

I'm trying to find someone here in the states that has purchased an OPO from a reseller and is successfully using it on AT&T. I'm trying to find out what model you got, did it come with cm11s, and what was your price including customs. I'm so far back in the invite list (53420) it will be next year before I get an invite. I have tried to research for this info in the threads but most of the owners are overseas. I will appreciate any feedback.
Sent from my Nexus 5 using Tapatalk
You can look here to see which LTE bands various networks use: http://en.wikipedia.org/wiki/List_of_LTE_networks#Americas
AT&T, along with most other networks in America use band 4 and 17 which are the two bands the Chinese one plus one doesn't support, compared to the international one.
He're is a comparison of the bands for the international One Plus compared to the Chinese One Plus:
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Essentially you need the international version of the One Plus if you reside in North / South America or Canada, unless you happen to be on a GSM network.

Accidentally pressed Band USA on Mi4c

I have pressed with this app (https://play.google.com/store/apps/details?id=com.kasitskyi.hiddensettings) Band USA on my Mi4c and now I have no signal in sim1. I live in Europe and don't know what to do. Is there any simple fix for that? I have found few but with other phones like Mi5 and so. Found this (http://forum.xda-developers.com/mi-5/development/xiaomi-mi5-qualcomm-diagnostic-drivers-t3336200)
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Have found this but no luck: http://en.miui.com/thread-340101-1-1.html
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Enable Lg V50 Second Screen with V500VM phone

I apologize if this has already been addressed, I have searched and have not found this anywhere or the information I am looking for.
I purchased a phone of ebay called a LG V50 model V500VM also called Verizon. This phone has the 3 pogo pins on the back of it, which I
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Anyone? No bone to toss my way?

Question 5G speeds in the US

In case anyone is wondering, these are the speeds I just got on my Mi Fold 2 in Santa Monica, on T-Mobile
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I"ve yet to get any connection on 5G around me since switching to T-mobile last week. not a huge deal since I very very rarely ever need data but it still bothers me a bit. there are 5g bands that Tmobile uses that wont' work with this phone from the charts I've seen and I think thats the problem in the Pittsburgh area
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