[Q] ZUK Z1 in Canada (4G) - Zuk Z1 Q&A, Help & Troubleshooting

So i am considering buying this phone, but I have only 1 concern about lte on this website: http://www.gearbest.com/cell-phones/pp_230088.html it says that 4f bands are only:FDD-LTE 1800/2100/2600MHz, so will it work in Canada?? I checked http://maps.mobileworldlive.com/ and It only compatable with 2100, no 1700 is it fine if I only have 1?

Help please!!!

Bump!!

Bump!

Bump!

Any canadians??

I have ordered the international version and I did some research and basically the bands are dependant on what your network is broadcasting on. If you google what frequency/band your provider is broadcasting on then cross-reference it to the ones supported then you'll know if it works.
- Peace BreadC

Carriers use more than 1 band cause the don't have full coverage with only 1 so sometimes you should have LTE coverage and sometimes don't , I'm in the same dilemma the phone is really good but not having the LTE bands used in US is a deal breaker, I'm waiting to October cause its supposed to be officially released to the US and maybe they'll release a revised version with the LTE bands used here.

Breadcrust said:
I have ordered the international version and I did some research and basically the bands are dependant on what your network is broadcasting on. If you google what frequency/band your provider is broadcasting on then cross-reference it to the ones supported then you'll know if it works.
- Peace BreadC
Click to expand...
Click to collapse
Hey buddy, does the phone work with 3 and EE's 4G? I dont think that this phone has band 20 support.

Kamran9558 said:
Hey buddy, does the phone work with 3 and EE's 4G? I dont think that this phone has band 20 support.
Click to expand...
Click to collapse
I bloody well hope so! I changed from o2 to Three thinking it had support. I think it supports their bands.

Breadcrust said:
I bloody well hope so! I changed from o2 to Three thinking it had support. I think it supports their bands.
Click to expand...
Click to collapse
Can you check it? Three use 1800 band and have launched their 800 band recently(not wide spread at the moment) which would improve their indoor 4G coverage, EE already use 800/1800 bands,
I think you can probably check in the service menu.

Mine hasn't come yet, I got scammed on zukphone.cc by a PayPal account called [email protected]. PayPal are investigating but my Dad has a OnePlus One and he has 4G on Three so I can only assume it will work.

Any Canadians bought it???

FWIW, I just checked bands/frequencies and as far as I understood even the international version of the ZUK Z1 (weird that their english web-site is at zuk.hk and the chinese web-site is at zuk.com) won't work on Telus/Koodo.

stangri said:
FWIW, I just checked bands/frequencies and as far as I understood even the international version of the ZUK Z1 (weird that their english web-site is at zuk.hk and the chinese web-site is at zuk.com) won't work on Telus/Koodo.
Click to expand...
Click to collapse
Afaik, the "international" version of the phone is identical to "chinese" version. Only difference is OS preinstalled (Cyanogen OS for international). So basically, it should work in EU, Asia, Australia etc, but not in the US or Canada (of course depending what bands you need).

Breadcrust said:
I bloody well hope so! I changed from o2 to Three thinking it had support. I think it supports their bands.
Click to expand...
Click to collapse
It does.
Check on willmyphonework.net

mcgangsta said:
Afaik, the "international" version of the phone is identical to "chinese" version. Only difference is OS preinstalled (Cyanogen OS for international). So basically, it should work in EU, Asia, Australia etc, but not in the US or Canada (of course depending what bands you need).
Click to expand...
Click to collapse
Oh, I thought I've read somewhere that the International version will sacrifice some of the TDD-LTE bands for more of the FDD-LTE bands, so besides the OS difference I also expected different bands support.
Anyways, the specific band for the network I'm using doesn't seem to be supported. And it's one of the top 3 providers in Canada.

Bump to see if anyone has got it working in canada and with which company.
stangri said:
Oh, I thought I've read somewhere that the International version will sacrifice some of the TDD-LTE bands for more of the FDD-LTE bands, so besides the OS difference I also expected different bands support.
Anyways, the specific band for the network I'm using doesn't seem to be supported. And it's one of the top 3 providers in Canada.
Click to expand...
Click to collapse
Are you with Telus/Koodo? It seems like it will work with Bell/Virgin and Rogers/Fido.

itskearny said:
Are you with Telus/Koodo? It seems like it will work with Bell/Virgin and Rogers/Fido.
Click to expand...
Click to collapse
stangri said:
FWIW, I just checked bands/frequencies and as far as I understood even the international version of the ZUK Z1 (...) won't work on Telus/Koodo.
Click to expand...
Click to collapse
Seriously dude, it's on the same page even.

stangri said:
FWIW, I just checked bands/frequencies and as far as I understood even the international version of the ZUK Z1 (weird that their english web-site is at zuk.hk and the chinese web-site is at zuk.com) won't work on Telus/Koodo.
Click to expand...
Click to collapse
Why won't it work on Telus/Koodo? I checked the bands and it has the 3g bands that work on Telus/Koodo.

Related

DVP 3G Europe/US Roaming

If I understood right at least some DVPs have radios capable of using both T-Mobile US's 3G network and European 3G networks. Has anyone tried this? Are we sure that all DVPs have the same radios? Or do the European ones have the US frequencies disabled or something?
Thanks in advance for any info,
Tom
The US ones have AWS for TMOUS, and European 900/2100.
Whether they will actually provision correctly and be usable w/ 3G services in non-US locales is anyone's guess. The US DVP has only just recently been unlockable and I don't think we have had any reports of actual int'l roaming success yet.
I think its been mentioned in the unlocking thread that people have used it in Europe and from the listing of the DVP I've seen the specs indicate its has the exact frequencies as the US one. I would expect it to work, unless Dell has done something really screwy (but thats not impossible) but hopefully someone can confirm for sure.
People are claiming that European DVPs have AWS 3G support? I don't think so.
Although it is conceivable that it's there and simply unadvertised, I believe non-US DVPs have 900/2100 *only*.
US DVPs have 900/2100 *and* AWS.
tai4de2 said:
People are claiming that European DVPs have AWS 3G support? I don't think so.
Although it is conceivable that it's there and simply unadvertised, I believe non-US DVPs have 900/2100 *only*.
US DVPs have 900/2100 *and* AWS.
Click to expand...
Click to collapse
Actually I was referring to people with US handsets being used in Europe, not the other way round. And its possible the Euro version is hte same as the US one, looking at a video of a DVP released in India it shows the same frequencies as the US one, and Clove also lists the same 3G frequencies so I would lean towards all DVP's bring usable in Europe and the US.
With today's big news, what's the point?
Once AT&T shuts off AWS UMTS in a year or so we are all gonna be left with paperweights anyway.
tai4de2 said:
With today's big news, what's the point?
Once AT&T shuts off AWS UMTS in a year or so we are all gonna be left with paperweights anyway.
Click to expand...
Click to collapse
NAY, I SAY THEE NAY!!!!!!!! Could be right though, but I was planning on ditching the DVP for a penta band Nokia so I guess I'll be ok - save for being on at&t!
3G works here
They are saying it will take "several years" to transition T-Mobile users. Lets hope the regulators see sense and block it in any case...
So I have a European DVP now. Anyone know of an app that will tell me the radio frequencies it supports? The System Info one doesn't seem to.
It supports 900 and 2100.
How did you find that out? The box says UMTS 2100/1700/900.
The European box says the phone inside supports 1700?
my US T-mobile DVP (unlocked) works fine on tmobile Germany and I get about 3000k download 2500k upload. I am in a fairly bad region for network speeds. But I have hit upwards of 7000k download in some bigger cities.
tai4de2 said:
The European box says the phone inside supports 1700?
Click to expand...
Click to collapse
Yes.......

Google Nexus 4 - Finally, LTE or NOT?

Hi everyone,
Is Google Nexus 4 finally a fully LTE capable phone or not? and is there any official news from Google that they might patch it to not work with LTE anymore?
Thanks
It technically works on one (I think) band that LTE uses, in Canada, but I think that's it. As far as I know it would need some more hardware to be fully supported on all LTE bands.
TLDR; for realistic purposes, no
ragnarok12 said:
It technically works on one (I think) band that LTE uses, in Canada, but I think that's it. As far as I know it would need some more hardware to be fully supported on all LTE bands.
TLDR; for realistic purposes, no
Click to expand...
Click to collapse
Which band is that? 2100Mhz? and if so then it's fully supported in Canada?! ??? Of course all LTE bands are not supported by any phones out there because of differences in USA, Canada, Japan, and Europe...
It's confusing because some news say that LTE antenna is needed and more hardware components so I don't understand why one of the bands work when hardware components are missing. Of course, it is not LTE when only the name LTE shows beside the signal and speed is not great.
I think it would be best if someone can post their speeds on Rogers, Bell, Fido, and Telus and let us know if LTE really works.
Well that thread already exists:
http://forum.xda-developers.com/showthread.php?t=2007943
It only works on LTE band 4 and Google has already said they cannot update the phone to work on the rest of the LTE bands as the hardware is not in the phone. Band 4 is there by default in the LTE chip.
What is LTE Band 4? Can you please explain a bit.
Thanks
torontobc said:
What is LTE Band 4? Can you please explain a bit.
Thanks
Click to expand...
Click to collapse
Yes it works on Rogers LTE in Canada..
Google better not try to "disable", but glad someone brought that to my attention as I will be checking before i update anything
torontobc said:
What is LTE Band 4? Can you please explain a bit.
Thanks
Click to expand...
Click to collapse
http://www.anandtech.com/show/6474/nexus-4-includes-support-for-lte-on-band-4-aws

[Q] What 3G/4G bands does each model support?

I am really interested in the Korean version of this phone (with the removable battery and sd card slot), but there seems to be confusion over which models support which frequency bands... so my question is..
Do any of them support 3G on the 850/1900 band???
Thanks
Yes I will also like to know as well. Because I would to get this vein so I don't have to stock with a contact.
Sent from my LG-E980 using xda app-developers app
Warrimonk said:
Do any of them support 3G on the 850/1900 band???
Click to expand...
Click to collapse
Look what F240S can has in attachment. So I think it supports 1900 band. As well as F240K. And F320S/F320K will work with 1900 to
Best way for your is to ask people which have korean G Pro at hand to make you screenshots of their bands by menu 5457#*240#
Billy Madison said:
Look what F240S can has in attachment. So I think it supports 1900 band. As well as F240K. And F320S/F320K will work with 1900 to
Best way for your is to ask people which have korean G Pro at hand to make you screenshots of their bands by menu 5457#*240#
Click to expand...
Click to collapse
Thanks, this is helpful.
However I am torn between which band would be more useful to me, 850 or 1900 (I live in a rural area). I can live with 3G but not 2G,
UPDATE: A G2 with model number F320S was listed on eBay saying it supports HSDPA 850/900/1900/2100 in the description. I messaged the seller to make sure it was not a mistake, and he assured me that the device does support these 3G frequencies and that it would get 3G signal on carriers Canada.
Just got this phone. I am in US and need to know where you went to get those setting. Currently only getting 3G
Thanks
tpcastelli said:
Just got this phone. I am in US and need to know where you went to get those setting. Currently only getting 3G
Thanks
Click to expand...
Click to collapse
What carrier are you with? You should only get 3G, since none of the LTE variants that work in the US are released yet.
Yes thank you, I am getting 3G on AT&T. Battery is very cooperative on 3G. Every time I dial a voice call the phone thinks I am in Korea ...can not find any setting in phone for region, any chance you might know how to change regions? The phone is very ergonomic, probably the moist ergonomic I have used.
tpcastelli said:
Yes thank you, I am getting 3G on AT&T. Battery is very cooperative on 3G. Every time I dial a voice call the phone thinks I am in Korea ...can not find any setting in phone for region, any chance you might know how to change regions? The phone is very ergonomic, probably the moist ergonomic I have used.
Click to expand...
Click to collapse
MoreLocale 2 in the app store seems to do the trick but I don't have an lg g2 to test it. I guess you need to root it first and grant superuser permissions because of the way jellybean handles it.I came up with this thru a couple Google searches so its untested.
I'm tempted. I'm on straight talk in the USA. If it worked, tell me as a thanks cause I kinda want to get it. I wonder if it supports tmobiles hspa+42 network. I use a T-Mobile straight talk sim card...., it runs off of T-Mobile's network but I pay straight talk but no LTE.
I will give it a try. First I need root, do you know where I can get root for the LG G2?
Warrimonk said:
I am really interested in the Korean version of this phone (with the removable battery and sd card slot), but there seems to be confusion over which models support which frequency bands... so my question is..
Do any of them support 3G on the 850/1900 band???
Thanks
Click to expand...
Click to collapse
Dono if you still need it. But here it is:
320S:
GSM 850/900/1800/1900
UMTS B1B2B5 850/1900/2100
LTE B1B3B5B7 850/1800/2100/2600
320K:
GSM 850/900/1800/1900
UMTS B1B2B5 850/1900/2100
LTE B1B3B7B8 900/1800/2100/2600
No info on the 320L
Thanks. That clears a lot up. It is good to see 2 models with a large range of bands.
It really is amazing how many websites had bad info.
Sent from my GT-I9100M using xda app-developers app
Along the same lines, does anyone know what the model number is of the G2 that works on Verizon bands?
racca said:
Dono if you still need it. But here it is:
320S:
GSM 850/900/1800/1900
UMTS B1B2B5 850/1900/2100
LTE B1B3B5B7 850/1800/2100/2600
320K:
GSM 850/900/1800/1900
UMTS B1B2B5 850/1900/2100
LTE B1B3B7B8 900/1800/2100/2600
Click to expand...
Click to collapse
I doubt it, where do you get this bands? native Korean models never had LTE 2600 supported, so that must be fakes
Billy Madison said:
I doubt it, where do you get this bands? native Korean models never had LTE 2600 supported, so that must be fakes
Click to expand...
Click to collapse
I can confirm the LTE 2600 supported. I'm using the SK version in Hong Kong and can use both LTE 1800 and LTE 2600 with this phone.
krmdb said:
I can confirm the LTE 2600 supported. I'm using the SK version in Hong Kong and can use both LTE 1800 and LTE 2600 with this phone.
Click to expand...
Click to collapse
I bought the 320L, how I can check what band it support ?
Sam2hk said:
I bought the 320L, how I can check what band it support ?
Click to expand...
Click to collapse
Dial 5457#*320# and look for Band selection menu. Don't tinker with it, just make please screenshots 4 us pressing and holding "power+vol.down"
Then LTE channels screenshots will be appreciated too. The more the better
Billy Madison said:
Dial 5457#*320# and look for Band selection menu. Don't tinker with it, just make please screenshots 4 us pressing and holding "power+vol.down"
Then LTE channels screenshots will be appreciated too. The more the better
Click to expand...
Click to collapse
Attached is the screenshots, see if these are the one you looking for.
Sam2hk said:
Attached is the screenshots, see if these are the one you looking for.
Click to expand...
Click to collapse
Attached is another screen of the GSM/WDCDMA ?
These are the 2G / 3G Band ?
Sam2hk said:
Attached is another screen of the GSM/WDCDMA ?
These are the 2G / 3G Band ?
Click to expand...
Click to collapse
Yes
Billy Madison said:
I doubt it, where do you get this bands? native Korean models never had LTE 2600 supported, so that must be fakes
Click to expand...
Click to collapse
I'm using the F320K and here is the bands i have.

OnePlus Two LTE Bands unlocking

Hello!
I've bought a Chinese version of OP2 and it seems to be doesn't have Band 20 LTE support (800 MHz). :crying:
And I was wondering if it's possible to unlock the band like for OPO?
That's not known yet, but I've got my doubts.
I was scared as you after see that I bought the chinese version which doesn't have the 800mhz; but I checked on this site if my phone will work on the LTE of my carrier:
http://www.willmyphonework.net/
Fortunately it works. The real problem is that the chinese version, having only one IMEI, doesn't allow the use of dual sim outside of the China.
Hope your LTE works!
Kito92 said:
I was scared as you after see that I bought the chinese version which doesn't have the 800mhz; but I checked on this site if my phone will work on the LTE of my carrier:
http://www.willmyphonework.net/
Fortunately it works. The real problem is that the chinese version, having only one IMEI, doesn't allow the use of dual sim outside of the China.
Hope your LTE works!
Click to expand...
Click to collapse
That's not true regarding the dual Sim, it works in standby mode and can be used when primary Sim is not in use (I know this as I have the Chinese version of the handset and I am using 2 Sim cards).
Swatto86 said:
That's not true regarding the dual Sim, it works in standby mode and can be used when primary Sim is not in use (I know this as I have the Chinese version of the handset and I am using 2 Sim cards).
Click to expand...
Click to collapse
Yeah can confirm this is the same in Australia.
Yes I have LTE, I've checked before buying, but It still one of the Bands I would like to have (it works well inside the buildings).
And yes, bouth SIMs work in dual standby mode.
Has anyone tried using the same guide used in OnePlus One?
Sent from my ONE A2001 using Tapatalk
yellowsn0w said:
Has anyone tried using the same guide used in OnePlus One?
Sent from my ONE A2001 using Tapatalk
Click to expand...
Click to collapse
My phone's going to be delivered tomorrow and I'm going to try it. I'll report back and letb you know.
@josh598208 so how did it go lol
yellowsn0w said:
@josh598208 so how did it go lol
Click to expand...
Click to collapse
I am also interested in knowing that
xfox said:
I am also interested in knowing that
Click to expand...
Click to collapse
me too! I've also bought a chinese version of OP2 and I wanted to unlock band 20.
Also subscribing to the thread! I'm going another way: I have the American version and want to use it in Europe (Poland in particular, so I need band 3).
Has anyone tried the unlocking guides on OP2? Is it only a software issue or do the modems actually differ?
xfox said:
I am also interested in knowing that
Click to expand...
Click to collapse
I haven't gotten them unlocked. I tried the opo method, denied. I'm using it on hspa+ and really can't tell any difference from LTE. Just my opinion.
quezak said:
Also subscribing to the thread! I'm going another way: I have the American version and want to use it in Europe (Poland in particular, so I need band 3).
Has anyone tried the unlocking guides on OP2? Is it only a software issue or do the modems actually differ?
Click to expand...
Click to collapse
Hello quezak,
I am facing the similar issue. My order is not arrived yet. Is it possible to load EU based ROM on US base OP2?
R//
me too need the band 3 work on my USA version
xfox said:
I am also interested in knowing that
Click to expand...
Click to collapse
I was in hurry cause there was 2 hours left on my invite
I bought the us version then after I receive it I note that I need the global version and they send the us one
so do you think there well be a solution or i should return it
HELP ME PLEAS
easijav said:
Hello quezak,
I am facing the similar issue. My order is not arrived yet. Is it possible to load EU based ROM on US base OP2?
R//
Click to expand...
Click to collapse
The problem is modem/Hardware level changing rom won't work
Sent from my ONE A2005 using Tapatalk
Certainly is important.
xfox said:
I am also interested in knowing that
Click to expand...
Click to collapse
I like use the band 800 in México LTE.
One person respond my question and the process to ONO no function.
Do you have information about other team/member working in this topic?
I followed the same procedure as oneplus two, but stuck on drivers installation.
Would be glad to have a solution on this.
I really need this I have messed up... I had to use a post forwarding service so I found a US one and I live in norway and got the US model.. I have asked if I can trade it for a EU one but they can't because of their policies.. Anyone know what band I need for it to work on LTE in Norway?
wackyleaks said:
I really need this I have messed up... I had to use a post forwarding service so I found a US one and I live in norway and got the US model.. I have asked if I can trade it for a EU one but they can't because of their policies.. Anyone know what band I need for it to work on LTE in Norway?
Click to expand...
Click to collapse
I think you can find something interesting reading information below:
With the OnePlus 2, we’ve taken some extra steps to ensure that our device works flawlessly in all the markets we support. A crucial component (no pun intended) is bands support. As you may be aware, LTE bands across the world differ significantly for various reasons (let’s talk about why that is some other time) and certain hardware restrictions make it so that you can only support so many bands in one device.
Thus, there is a trade-off between having all the bands and manufacturing complexity - the more bands you want to support, the more region-specific SKUs you have to create. We opted to make two different versions for two different regions - one EU/India, and one that we call North America. These are both OnePlus Global phones; they ship with Oxygen OS and the proper band support for your region. Besides those, there’s also the Chinese version that ships with Hydrogen OS and Chinese LTE support - this one is not available on oneplus.net (and is almost certainly the version you will get if you buy from anywhere else).
Here’s a breakdown of the differences (for EU/NA, bands in bold only available on that version):
Note that compatibility here refers to LTE, the fastest network currently available. The slower 2G/3G GSM frequencies (below referred to as GSM and WCDMA) are less fragmented and you should be able to get data almost worldwide with the included 2&3G bands regardless of the version. Use http://www.willmyphonework.net/ for easy reference.
EU/Asia
GSM: 850, 900, 1800, 1900MHz
WCDMA: Bands 1/2/5/8
FDD-LTE: Bands 1/3/5/7/8/20
TDD-LTE: Bands 38/40/41
3 and 20 are used almost all over Europe, but not at all in North America. Band 8, although available in both versions, is used in Europe and India but is seeing increasing adoption worldwide.
North America
GSM: 850, 900, 1800, 1900MHz
WCDMA: Bands 1/2/4/5/8
FDD-LTE: Bands 1/2/4/5/7/8/12/17
For NA, the removal of bands 3 & 20 allows us to add all the GSM bands you’ll need.
China
GSM: 850, 900, 1800, 1900MHz
WCDMA: 1/2/5/8
TD-SCDMA: 34/39
TDD-LTE: 38/39/40/41
FDD-LTE: 1/3/7
The Chinese version will have very limited 4G compatibility in Europe and North America. More importantly, it only has one IMEI meaning you will not have dual-SIM capability outside of China. If you like having dual SIMs, do not buy the Chinese version.
Original thread is here: https://forums.oneplus.net/threads/oneplus-2-regional-versions-explained.338780/
Regards
---------- Post added at 12:32 AM ---------- Previous post was at 12:11 AM ----------
Here is procedures to unlock LTE bands in Xiaomi Mi Note Pro. Both mobiles (Xioami and OP2) built same processor so maybe this method is for us. I did not tried it yet.
http://forum.xda-developers.com/mi-...how-to-unlock-lte-frequency-bands-mi-t3215880

Are there different versions of Nexus 6P for Europe and US ?

I was planing to ask my friend to get me a Nexus 6p from US and bring it over to Europe and I was wondering if there are different versions of Nexus 6P for US and Europe (with different sets of LTE bands ) ? Will I have a problem of using it with European GSM bands (specifically the LTE/4G) ?
Thanks
Haik0 said:
I was planing to ask my friend to get me a Nexus 6p from US and bring it over to Europe and I was wondering if there are different versions of Nexus 6P for US and Europe (with different sets of LTE bands ) ? Will I have a problem of using it with European GSM bands (specifically the LTE/4G) ?
Thanks
Click to expand...
Click to collapse
LTE/4G will be a problem
Agreed, the US version has less bands than the international version. It does not have band 8, which is what most of the UK's 4g network runs on. There are a few exceptions, but most of them work of band 8.
Haik0 said:
I was planing to ask my friend to get me a Nexus 6p from US and bring it over to Europe and I was wondering if there are different versions of Nexus 6P for US and Europe (with different sets of LTE bands ) ? Will I have a problem of using it with European GSM bands (specifically the LTE/4G) ?
Thanks
Click to expand...
Click to collapse
Danish2980 said:
LTE/4G will be a problem
Click to expand...
Click to collapse
Stephen said:
Agreed, the US version has less bands than the international version. It does not have band 8, which is what most of the UK's 4g network runs on. There are a few exceptions, but most of them work of band 8.
Click to expand...
Click to collapse
This, it's also missing band 20, which is used for 4G networks in the Netherlands and most of mainland Europe as far as I know. Basically a US Nexus 6P won't work on 4G/LTE in Europe.
Nomoi said:
This, it's also missing band 20, which is used for 4G networks in the Netherlands and most of mainland Europe as far as I know. Basically a US Nexus 6P won't work on 4G/LTE in Europe.
Click to expand...
Click to collapse
Ahh, ok then :/ That was my shot to get this phone cheaper, it's ridiculous how expensive it is here compared to US .
Thanks for the response.
I know that here in Ireland Vodafone (my carrier) use both band 20 and band 3, with band 3 usage being more recent. I am doing my research at the moment but am hoping that if I get a US Nexus 6P I will be able to use it here with Vodafone LTE on band 3.
Crossing fingers,
M
Where can I find more info on these various nexus 6p variants?
Sent from my Nexus 5 using Tapatalk
Stephen said:
Agreed, the US version has less bands than the international version. It does not have band 8, which is what most of the UK's 4g network runs on. There are a few exceptions, but most of them work of band 8.
Click to expand...
Click to collapse
US Version and International have the same amount of bands just different ones. No one in Europe runs on band 8. UK runs mostly on 3/7/20. So most likely you will get LTE coverage from your carrier unless you're with O2 or Vodaphone since they only support band 20.
US: 2/3/4/5/7/12/13/17/25/26/29/30
International: 1/2/3/4/5/7/8/9/17/19/20/28
Use an app like LTE Discovery to see what band you're using in your most frequented places.
https://play.google.com/store/apps/details?id=net.simplyadvanced.ltediscovery

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