Database Develop

carrier aggregation in Europe

Hi,
This is an known fact that Xiaomi does not implement fully compatible carrier aggregation for European mobile networks.
In EU, users of mi 8, mi mix 2, redmi pro,... Reported they cannot use 4g+ due to impossible inter carrier aggregation combinations ( eg b3+b7).
Is mi 9 the first Xiaomi device that allows correct full 2CA or 3 CA for European market ?
Does somebody already test it ?
Is it still the same situation ? Which means we have no possibility to have fully working 4g+ outside China and India ?

On the EEA version, you've got at least 4G+ and 3CA.
Sorry for the big images, but it's not likely anyone else will reply anyway.
On those images, you can see up to 3CA on bands 1/7/20, 2CA on 1/7 or 7/20 or 3/7.
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I'm at a weak LTE location, but I won't really think about it in the middle of Paris.
Links if images don't work. Edit : XDA is so wrong I have to add a space.
https://ibb.co /YtgMFhm
https://ibb.co /gg6DDX6
https://ibb.co /wc2qCfB
https://ibb.co /D99wzzF
https://ibb.co /yy4v17x

Can confirm it works on the global rom as well in The Netherlands.

RedWave31 said:
On the EEA version, you've got at least 4G+ and 3CA.
Sorry for the big images, but it's not likely anyone else will reply anyway.
On those images, you can see up to 3CA on bands 1/7/20, 2CA on 1/7 or 7/20 or 3/7.
I'm at a weak LTE location, but I won't really think about it in the middle of Paris.
Links if images don't work. Edit : XDA is so wrong I have to add a space.
https://ibb.co /YtgMFhm
https://ibb.co /gg6DDX6
https://ibb.co /wc2qCfB
https://ibb.co /D99wzzF
https://ibb.co /yy4v17x
Click to expand...
Click to collapse
Can I ask what app you are using to test 2ca and 3ca. This looks handy and I am having an issue with getting LTE+. I have the Chinese variant, and am currently downloading the global rom to install on it and see if LTE+ starts working.

pimpmaneaton said:
Can I ask what app you are using to test 2ca and 3ca. This looks handy and I am having an issue with getting LTE+. I have the Chinese variant, and am currently downloading the global rom to install on it and see if LTE+ starts working.
Click to expand...
Click to collapse
Network Signal Guru, they're doing auto-promotion in the banner on top of each screenshot

RedWave31 said:
On the EEA version, you've got at least 4G+ and 3CA.
Sorry for the big images, but it's not likely anyone else will reply anyway.
On those images, you can see up to 3CA on bands 1/7/20, 2CA on 1/7 or 7/20 or 3/7.
I'm at a weak LTE location, but I won't really think about it in the middle of Paris.
Links if images don't work. Edit : XDA is so wrong I have to add a space.
https://ibb.co /YtgMFhm
https://ibb.co /gg6DDX6
https://ibb.co /wc2qCfB
https://ibb.co /D99wzzF
https://ibb.co /yy4v17x
Click to expand...
Click to collapse
Thank you for your answer.
So, can we assume the mi 9 is the first Xiaomi device fully operational in EU ?
Xiaomi has always been shady (to say the least) concerning Carrier Aggregation.

SKiLLa XP said:
Can confirm it works on the global rom as well in The Netherlands.
Click to expand...
Click to collapse
Did you have the possibility to check if the mi 9 can correctly aggregate b3/b7 and b3/b20?
I'm from Belgium and the 3 operators use mostly b3/b20 and sometimes b3/b7. It should be very similar in Netherlands.

Mastamike said:
Did you have the possibility to check if the mi 9 can correctly aggregate b3/b7 and b3/b20?
I'm from Belgium and the 3 operators use mostly b3/b20 and sometimes b3/b7. It should be very similar in Netherlands.
Click to expand...
Click to collapse
I still have to wait another 100+ hour for my unlock, so I cannot show you the details (need root), but I'm pretty sure the 3ca is working, as I got my carrier's full 225 Mbps speed at some locations (as in: real-life performance) including the 4G+ and VoLTE icons too.
EDIT: 225Mbps could still be 2CA technically, so I dug a bit deeper into the (official Dutch) specs:
4G: LTE FDD: B1 / 2/3/4/5/7/8/12/20/28; LTE TDD: B38 / B39 / B40
3G: WCDMA: B1 / B2 / B4 / B5 / B8; TDSCDMA: B34 / B39; CDMA EVDO BC0
2G: GSM: B2 / B3 / B5 / B8; CDMA 1X: BC0
And 4x4 MIMO | HPUE | HO RxD
Please also note that I do still need to do the *#*#4636#*#* trick to set the modem to LTE/WCDMA on each reboot to prevent Cell Standby drain and reception issues on my official global ROM (10.2.9.0); can't wait for the unlock waiting-period to be over ...
PS: I believe the Cell Drain to be caused (at least partially) by not only searching for those unused frequencies in Europe by default, but also when it actually finds a working legacy 2G or 3G frequency, it desperately tries to keep that connection alive in standby-/sleep-modus instead of using higher speed 3G and 4G frequencies to try & save battery, but because legacy frequency towers are very sparse and far between in my country (they're even talking about killing 3G off in a few years already), it actually drains the battery way more than simply using that stellar 4G signal from the brandnew tower just a few hundred meters away.

SKiLLa XP said:
Please also note that I do still need to do the *#*#4636#*#* trick to set the modem to LTE/WCDMA on each reboot .
Click to expand...
Click to collapse
There is an old application called 4G LTE Switch that does this number for you and is very lightweight. You can also set a contact tho.
It still doesn't force LTE on reboot, I don't know ANY application that does this. And you shouldn't, because sometimes, rebooting a phone in a car while driving because you have an urgent call to make in a 2G environment and GSM won't activate is enough distraction.

SKiLLa XP said:
I still have to wait another 100+ hour for my unlock, so I cannot show you the details (need root), but I'm pretty sure the 3ca is working, as I got my carrier's full 225 Mbps speed at some locations (as in: real-life performance) including the 4G+ and VoLTE icons too.
EDIT: 225Mbps could still be 2CA technically, so I dug a bit deeper into the (official Dutch) specs:
4G: LTE FDD: B1 / 2/3/4/5/7/8/12/20/28; LTE TDD: B38 / B39 / B40
3G: WCDMA: B1 / B2 / B4 / B5 / B8; TDSCDMA: B34 / B39; CDMA EVDO BC0
2G: GSM: B2 / B3 / B5 / B8; CDMA 1X: BC0
And 4x4 MIMO | HPUE | HO RxD
Please also note that I do still need to do the *#*#4636#*#* trick to set the modem to LTE/WCDMA on each reboot to prevent Cell Standby drain and reception issues on my official global ROM (10.2.9.0); can't wait for the unlock waiting-period to be over ...
PS: I believe the Cell Drain to be caused (at least partially) by not only searching for those unused frequencies in Europe by default, but also when it actually finds a working legacy 2G or 3G frequency, it desperately tries to keep that connection alive in standby-/sleep-modus instead of using higher speed 3G and 4G frequencies to try & save battery, but because legacy frequency towers are very sparse and far between in my country (they're even talking about killing 3G off in a few years already), it actually drains the battery way more than simply using that stellar 4G signal from the brandnew tower just a few hundred meters away.
Click to expand...
Click to collapse
It's a shame and quite disrespectful for European consumers that Xiaomi does not configure and set the mobile properly according to the country they are selling.
Even if you dig the internet, there are no datas nor proofs that mi 9 can correctly aggregate carriers outside China.
And as all predecessors were unable to do it, we have to rely on good willing people here on XDA.

I can confirm that mi 9 is the first phone from xiaomi that support 4.5G in my country (b3+b7)

RedWave31 said:
There is an old application called 4G LTE Switch that does this number for you and is very lightweight. You can also set a contact tho.
It still doesn't force LTE on reboot, I don't know ANY application that does this. And you shouldn't, because sometimes, rebooting a phone in a car while driving because you have an urgent call to make in a 2G environment and GSM won't activate is enough distraction.
Click to expand...
Click to collapse
You can also click one of the menu's in the About Device screen (kinda like Developer Tools) as well to access the menu, or use the MiAppa app (which even gives access to some ROM settings that are still fully in Chinese). I did add it as a contact too, but dialing the contact with the built-in dialer doesn't work and by now I can dream that number anyway I noticed more system-related settings the MIUI ROM resets/overrides when rebooting.

I can confirm too. It works fine

emprazol said:
I can confirm that mi 9 is the first phone from xiaomi that support 4.5G in my country (b3+b7)
Click to expand...
Click to collapse
4Freedom said:
I can confirm too. It works fine
Click to expand...
Click to collapse
Thank you but can you tell us which country are you from ?
And were you able to verify (network signal guru or other with root) if you were able to aggregate b3/b20 and b3/7; or even 3 CA b3/b7/b20 ?
(Like Pimpmaneaton and Skilla xp)

I am interested in a 8gb version but its not the global version, have been speaking to this Chinese ebay seller he says he's gonna unlock the bootloader flash a global rom on it and than it will be compatible with UK networks for 4g LTE use, the 6gb ram global is compatible I have used it, works perfect, my question is will the 8gb Chinese be able to work like global 6gb version after the global rom flash? thanks in advance guys, cheers.

Standalone 5G on T-Mobile USA - problems with switch to LTE in areas of poor SA 5G coverage

Since the Feb update, the 4A 5G works on standalone 5G (which doesn't require a simultanous LTE connection). For many place, on T-Mobile, that is 600Mhz for SA 5G which gives better signals inside buildings.
But I've noticed that outside, in areas with low signal for 5G, I get really poor connections, but if I go into settings and switch the preferred network ttpe to LTE from 5G, I have no problems.
Has anyone else noticed similar problems where the phone becomes unusable on 5G and won't switch to LTE?
You can tell if you are on SA 5G if you go Settings->About Phone->SIM Status and you'll see "NR SA" for Mobile voice network type and mobile data network type (see attached JPEG). (if you are on "non-standalone" 5G those will probably say LTE and "NR NSA".
I am wondering if the sensitivity for switching from SA 5G to LTE isn't set correctly - hopefully they will fix this since it's annoying to have to manually switch things (and impossible to do that if driving).

Global version in the U.S.

So, I just got the Global version and am on T-mobile. Does anyone know how to activate HD voice(Volte) as the following codes done seem to work on this phone.
VoLTE *#*#86583#*#*
VoWIFI *#*#869434#*#*
Also, the charger only goes to 66 watt charging. I assume because of the voltage difference in the U.S.? Any thought or suggestions are appreciated.

Hey man, I just got the Chinese version (model PFEM10) and I can't seem to enable VoLTE or VoWiFi as well. I am on MetroPCS (basically T-Mobile) and when plugging in my SIM card I don't get any 4G connectivity whatsoever. I ordered the phone from AliExpress, and it came factory sealed in the box with plastic wrapping and all so I know it wasn't tampered with or anything like that. I don't know where I went wrong because the Chinese version of the Oppo Find X5 Pro supports 5/6 4G bands for MetroPCS/T-Mobile. And the codes you listed for VoLTE and VoWiFi also don't work for me, the phone app just goes back to the blank state after typing in the last asterisk (*).
Can confirm on the 66 watt charging, I have the 80w SuperVOOC brick and it definitely doesn't do 80W, limited to 66.
Do you get any mobile data on T-Mobile with the international version? I'm so bummed, there is very little information about this phone online and I thought that purchasing the China version for use on a GSM network in the USA would be fine because it supports 80% of the 4G bands...any ideas?

dipleg said:
Hey man, I just got the Chinese version (model PFEM10) and I can't seem to enable VoLTE or VoWiFi as well. I am on MetroPCS (basically T-Mobile) and when plugging in my SIM card I don't get any 4G connectivity whatsoever. I ordered the phone from AliExpress, and it came factory sealed in the box with plastic wrapping and all so I know it wasn't tampered with or anything like that. I don't know where I went wrong because the Chinese version of the Oppo Find X5 Pro supports 5/6 4G bands for MetroPCS/T-Mobile. And the codes you listed for VoLTE and VoWiFi also don't work for me, the phone app just goes back to the blank state after typing in the last asterisk (*).
Can confirm on the 66 watt charging, I have the 80w SuperVOOC brick and it definitely doesn't do 80W, limited to 66.
Do you get any mobile data on T-Mobile with the international version? I'm so bummed, there is very little information about this phone online and I thought that purchasing the China version for use on a GSM network in the USA would be fine because it supports 80% of the 4G bands...any ideas?
Click to expand...
Click to collapse
I actually answered in your other thread. lol
But I believe the CN version doesn't work from the IME numbers I was entering when I was looking for the phone. The global version showed fully compatible even though I don't get 5g.. Also, in the T-Mobile app, it shows as a Oneplus 7 Pro which is ironic because my son has that phone and his shows as a Pixel 4.

g1xx3r said:
I actually answered in your other thread. lol
But I believe the CN version doesn't work from the IME numbers I was entering when I was looking for the phone. The global version showed fully compatible even though I don't get 5g.. Also, in the T-Mobile app, it shows as a Oneplus 7 Pro which is ironic because my son has that phone and his shows as a Pixel 4.
Click to expand...
Click to collapse
I was so naive to think that if the network bands matched up, I would be good to go, because I have thought for the longest time that was all that required if the phone was unlocked and you were switching over to a GSM network. I will definitely have to use and tell other people about IMEI compatibility in the future, because I just went through two weeks of hell waiting for this phone to come from Hong Kong and then learning that it won't even work lol

dipleg said:
I was so naive to think that if the network bands matched up, I would be good to go, because I have thought for the longest time that was all that required if the phone was unlocked and you were switching over to a GSM network. I will definitely have to use and tell other people about IMEI compatibility in the future, because I just went through two weeks of hell waiting for this phone to come from Hong Kong and then learning that it won't even work lol
Click to expand...
Click to collapse
Yeah,that sucks because it's not like it's an easy phone to exchange.

Hey bro,
I ended up reselling the CN version I imported and bought the UK/EU/Global model (CPH2305) instead. Works fine on Metro, get strong 4G just about everywhere. Seems like a recent firmware update enabled 5G (VoNR) as well, but it only has 1 compatible band. I think the battery will drain less on 4G so I just disabled the 5G. Talked to countless reps about VoLTE and WiFi calling but still haven't gotten anywhere with the global model. I'd love to know if it's a software issue...

dipleg said:
Hey bro,
I ended up reselling the CN version I imported and bought the UK/EU/Global model (CPH2305) instead. Works fine on Metro, get strong 4G just about everywhere. Seems like a recent firmware update enabled 5G (VoNR) as well, but it only has 1 compatible band. I think the battery will drain less on 4G so I just disabled the 5G. Talked to countless reps about VoLTE and WiFi calling but still haven't gotten anywhere with the global model. I'd love to know if it's a software issue...
Click to expand...
Click to collapse
Glad you were able to sort that out with the Global version. Interesting.. Which update was it? Color OS or something else. My current Color OS version is A17. I don't see any 5g settings yet. My Xiaomi Mi 10 Ultra has the same 5g band and I was getting great coverage in my area so I'm keeping my fingers crossed for 5g to be enabled on my X5.

I'm on A17 as well I believe (CPH2305_11_A.17). The thing is, the update didn't enable 5G the way you think it would. The only reason I found out is because I was playing around in the developer settings (check attachment) and found 'VoNR calls' as a new setting.
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But there's more. When you enable this function, 5g won't work out of the box. You can try to go to SIM settings and change the network type but it will still say '4g/3g/2g (auto)' with no option to include 5g. So here's what I did. Go to the play store and install an app called 'network mode (universal)' by JunHyung Lee (https://play.google.com/store/apps/details?id=ljh.networkmode). Open it and find the list that's called 'set preferred network type'. I think the default is GSM/WCDMA/LTE (PRL).
I changed it to NR/LTE/GSM/WCDMA. after doing that and rebooting I got 5g on my X5 Pro.

dipleg said:
I changed it to NR/LTE/GSM/WCDMA. after doing that and rebooting I got 5g on my X5 Pro.
Click to expand...
Click to collapse
Good to know. I am assuming this is N41? Do you have the net monster app or similar to see what band/s you are connected to and the carrier aggregation? How are the speeds?

dipleg said:
I'm on A17 as well I believe (CPH2305_11_A.17). The thing is, the update didn't enable 5G the way you think it would. The only reason I found out is because I was playing around in the developer settings (check attachment) and found 'VoNR calls' as a new setting.
View attachment 5596097
But there's more. When you enable this function, 5g won't work out of the box. You can try to go to SIM settings and change the network type but it will still say '4g/3g/2g (auto)' with no option to include 5g. So here's what I did. Go to the play store and install an app called 'network mode (universal)' by JunHyung Lee (https://play.google.com/store/apps/details?id=ljh.networkmode). Open it and find the list that's called 'set preferred network type'. I think the default is GSM/WCDMA/LTE (PRL).
View attachment 5596107
I changed it to NR/LTE/GSM/WCDMA. after doing that and rebooting I got 5g on my X5 Pro.
View attachment 5596109
Click to expand...
Click to collapse
I owe you many beers Sir, worked like a charm. I actually saw those settings for VONR in the developer settings. I didn't know about the app but I was trying to access those settings through the phone codes but they don't seem to work on Oppo phones. 5g is working well now. Thanks!

Double post deleted.

wip23 said:
Good to know. I am assuming this is N41? Do you have the net monster app or similar to see what band/s you are connected to and the carrier aggregation? How are the speeds?
Click to expand...
Click to collapse
it must be N41.
Thanks for your suggestion of using NetMonster to see that band usage etc. The speeds are roughly similar to 4G, maybe a little slower seeing as I don't have as much coverage going off one 5g band vs. multiple 4g bands (2/4/12/etc).
It seems as though even though I can enable VoNR (5G) in the developer settings, I think the signal indicator in the status bar is telling a lie. I don't think it's really 5G. I changed my connection state from GSM/WCDMA/LTE (PRL) to NR/WCDMA/LTE/GSM as I detailed in my previous post and then ran NetMonster.
Here's what it looks like on 4G. everything normal:
And here's what it looks like on '5G':
I could click on the part that says 'Disconnected', and NetMonster shows the following:
So I think it's still 4G despite saying 5G. Not sure what this means as there are many possibilities. Let me know what you guys think as I don't really know where to go from here. Disabled VoNR for now and just using plain ol' 4G.

When I run Speedtest, it definitely shows 5g connected and I've seen speeds up to 180mb/s. If I run it when it shows 4g, LTE shows up in Speedtest so it's definitely connecting to 5g when it's available. The VoNR setting in Developers seems to have no impact either way.

And on 4g.

Now that I'm on Color OS 13, Volte and Vowifi are now active and working. IMS is now registered and I get 4G and 4G+. No 5G but I'm okay with that.

Question Origin OS and enabling 5G outside of China

Hello guys,
So I've imported a Vivo X Fold from HK and I was wondering how do I enable the 5G bands? I've seen this thread for Samsung, is there perhaps a similar method or something else to do for Vivo?
(Of course, I checked, my carrier is using bands supported by the Vivo X Fold)
Thanks!

I've just imported the Vivo X Note from HK and it has the identical Origin OS Ocean firmware and the same radio hardware and frequency bands as the Vivo X Fold. I just plugged in the Sim Card I had been using in my Samsung Galaxy Note 20 Ultra, and voila, I had 5G service. I had the same question as you, because sitting in my study at home my phone displayed 4G+ at the top, but the other day I put it in the car cradle and as I drove down the street it switched to 5G. I then realized that my house is not within transmitting distance of the local 5G tower, but many other areas of the city I live in are. As a brand new technology 5G coverage is not as broad as 4G.

Xharyel said:
Hello guys,
So I've imported a Vivo X Fold from HK and I was wondering how do I enable the 5G bands? I've seen this thread for Samsung, is there perhaps a similar method or something else to do for Vivo?
(Of course, I checked, my carrier is using bands supported by the Vivo X Fold)
Thanks!
Click to expand...
Click to collapse
Not sure if this helps you but I ordered mine from China. I live in the Netherlands and 5G worked "out of the box".

There is actually a setting on the phone that is off by default. Settings/Mobile Networks/Sim has a toggle for 5G. I toggled it on and had a 5G connection (Canada) right away. The options that appear in that Sim submenu, however, are activated by inserting your carrier's Sim card. If your carrier supports the Vivo X Note or Vivo X Fold for 5G, VoLTE, and WiFi Calling, you will see three toggles there - one for each. In my case I only have the toggle for 5G, no VoLTE or WiFi Calling settings because my carrier will only provision those services for phones that it sells. If you go to that submenu and don't see the toggle to turn 5G on, then you may need to get a new Sim card from your carrier. Some carriers require the use of a new 5G Sim card, others allow 5G with an ordinary LTE Sim card.

I am using the X Fold on T-Mobile USA, while the 5G icon is showing when I go into System management≥ Status Info≥ SIM 1 Status it's only displaying my phone as connected to LTE and shows as having no signal for NR. From running speed test I can confirm I'm getting the same speeds as my Xiaomi Mi 11 Ultra which only runs on LTE. I have T-Mobiles 5G home internet where I get 400+ download speeds so 5g coverage isn't an issue in my area.

T-Mobile's "5G Home Internet" uses a Wi-Fi Gateway (combination modem and router) that connects to T-Mobile nationwide XR (extended range) 5G towers which broadcast on 5G frequency n71. The Vivo X Fold can't connect to these towers. It can connect on 5G frequencies n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n66, n77, n78, and n79, but not n71. T-Mobile has put up a few Ultra Capacity (UC) 5G towers in big cities and if you are range of one of these your Vivo X Fold will connect on 5G n41 and display "5G UC" when it connects. These new towers also broadcast on 5G n258, n260, and n261, but the Vivo X Fold won't connect on those frequencies. So long story short - your T-Mobile Wi-Fi Gateway will connect to 5G n71, but your Vivo X Fold won't, and unless you are within range of one of the new 5G UC towers your calls will connect on 4G.

I am aware, I am in NYC my TMo gateway is connected to N41. The tower is across the street from me. Here what I see on my phone.
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}

Odd that your phone is displaying the 5G symbol (as well as VoLTE 'HD') when your Sim Status signal strength shows 0 for NR (5G), but is showing a strong 4G signal. I wonder what triggers the 5G symbol when you clearly aren't receiving a 5G signal. Have you used a signal diagnosis app like OpenSignal to see what is broadcasting in your neighborhood?

frcraig said:
Odd that your phone is displaying the 5G symbol (as well as VoLTE 'HD') when your Sim Status signal strength shows 0 for NR (5G), but is showing a strong 4G signal. I wonder what triggers the 5G symbol when you clearly aren't receiving a 5G signal. Have you used a signal diagnosis app like OpenSignal to see what is broadcasting in your neighborhood?
Click to expand...
Click to collapse
Everything except mmWave. If you have the phone and T-Mobile service are you running into the same issues?
I'm leaning towards following this tutorial as this is a Chinese phone and 5G might not be configured to work in the US.
Modify OnePlus 7 Pro 5G, 8 and 8 Pro, 9 and 9 Pro NR/LTE-A band combos - MT-TECH.FI
On this instruction we will modify OnePlus 7 Pro 5G, 8 and 8 Pro band combo profiles with Qualcomm software. OnePlus has limited 5G access and 4G+/LTE+ Carrier Aggregation combinations and this instruction help you to unlock. However this instruction doesn’t unlock hardware defined combinations...
mt-tech.fi

I think you have hit the nail on the head. Countries and telecom carriers had the choice of deploying 5G NSA (not stand alone) or 5G SA (stand alone) technology. 5G NSA provides a 5G signal that piggyback's on a 4G signal and actually relies on an already established 4G infrastructure (towers, servers, switches, etc.). For a 5G phone to work on a 5G NSA network, the phone must have both the radio bands for the 5G frequency, and for the underlying 4G frequency that is necessary for the 5G NSA to work. Most American carriers opted for mmwav 5G NSA technology. On T-Mobile, therefore, your Vivo X Note or Vivo X Fold are 5G SA and 5G NSA compatible, but because T-Mobile uses 5G NSA the phone must not only be capable of connecting on T-Mobile's 5G frequency, but also on the 4G frequency that its 5G frequency piggybacks off. That 4G frequency for T-Mobile is LTE 71, which the Vivo X series doesn't have. I'm in Nova Scotia where my carrier (Rogers) built a 5G SA (stand alone) network, so as long as I can connect on one of its three 5G frequencies (I can connect on two) then I don't have to worry about the phone also connecting on an underlying 4G frequency. But unlike T-Mobile, my carrier won't provision VoLTE for my Vivo X Note, so all my voice calls drop to 3G. If T-Mobile followed my carriers policy you wouldn't be able to place any phone calls because you have shut down your 3G towers. So I have 5G for data (downloads, streaming, etc.) but 3G for voice calls, and you have 4G for data and voice, but no 5G.

frcraig said:
I think you have hit the nail on the head. Countries and telecom carriers had the choice of deploying 5G NSA (not stand alone) or 5G SA (stand alone) technology. 5G NSA provides a 5G signal that piggyback's on a 4G signal and actually relies on an already established 4G infrastructure (towers, servers, switches, etc.). For a 5G phone to work on a 5G NSA network, the phone must have both the radio bands for the 5G frequency, and for the underlying 4G frequency that is necessary for the 5G NSA to work. Most American carriers opted for mmwav 5G NSA technology. On T-Mobile, therefore, your Vivo X Note or Vivo X Fold are 5G SA and 5G NSA compatible, but because T-Mobile uses 5G NSA the phone must not only be capable of connecting on T-Mobile's 5G frequency, but also on the 4G frequency that its 5G frequency piggybacks off. That 4G frequency for T-Mobile is LTE 71, which the Vivo X series doesn't have. I'm in Nova Scotia where my carrier (Rogers) built a 5G SA (stand alone) network, so as long as I can connect on one of its three 5G frequencies (I can connect on two) then I don't have to worry about the phone also connecting on an underlying 4G frequency. But unlike T-Mobile, my carrier won't provision VoLTE for my Vivo X Note, so all my voice calls drop to 3G. If T-Mobile followed my carriers policy you wouldn't be able to place any phone calls because you have shut down your 3G towers. So I have 5G for data (downloads, streaming, etc.) but 3G for voice calls, and you have 4G for data and voice, but no 5G.
Click to expand...
Click to collapse
Are you able to manually turn VoLTE on with the code *#*#86583#*#*? There is also an option to turn on VoNR in developer settings.

minhajmsd1 said:
Are you able to manually turn VoLTE on with the code *#*#86583#*#*? There is also an option to turn on VoNR in developer settings.
Click to expand...
Click to collapse
Thank you for sharing this. I used the dialer code and it gave me the option to enable VoNR (although it didn't give an option for VoLTE). I enabled VoNR but while my phone shows I'm receiving 5G, when I place a voice call it still drops to 3G or H. I phoned my carrier, and they told me they have added the IMEI of my Vivo X Note to the line and have provisioned VoLTE, but I don't believe them. When I called them the other day they told me if I wanted VoLTE I would have to purchase the device from them. After enabling VoNR with the dialer code I can go into developer settings and there I see that it is toggled on, but the Settings/Mobile Networks/Sim 1 submenu still just shows the toggles for "enable 5G" and "enable data roaming", both of which are turned on. I just don't have the "enable VoLTE" option there. If I was rooted I would force the option to appear by editing my build prop, but I don't think anyone has figured out how to root the X Note or X Fold yet. Someone is working on root for the X70pro and they have successfully flashed FunTouch on the CN Origin OS Ocean model, but trying their experimental method on my new Vivo X Note is a bit to adventuresome for me.

I'm sure you've probably tried this already, is VoLTE greyed out in the *#*#4636#*#* service menu?

minhajmsd1 said:
I'm sure you've probably tried this already, is VoLTE greyed out in the *#*#4636#*#* service menu?
Click to expand...
Click to collapse
Yes, it is greyed out in the service menu where it also says IMS Status "unregistered".

I just
frcraig said:
Yes, it is greyed out in the service menu where it also says IMS Status "unregistered".
Click to expand...
Click to collapse
I just had an interesting argument with a service tech for my carrier just now. Each time I call I get a different tech and a different answer, but his guy gave me the stock "if you didn't buy the phone from us those features won't work" line. I told him I know people who have non carrier purchased phones and VoLTE and WiFi Calling works on their phones. He said: "that's because they are using a model we sell ourselves". Knowing that none of the Canadian carriers sell Huawei devices I aske him if that would apply to a non-carrier Huawei purchased in Hong Kong. He said "of course that wouldn't work". I then asked him to look up the account for my wife's line, which he did. I asked him what information his screen was telling him about her line. He said "I see her IMEI was registered on May 17th". I told him that was correct because on that date I swapped SIM cards between our phones and when I put her SIM back into her phone it would have registered again on their network. He went on to say: "it says in bold letters here 'non-carrier device' and VoLTE enabled NO, WiFi enabled NO.". Her phone is a Huawei Mate 20 X which I bought at Trinity Mobile in Hong Kong three years ago. VoLTE and WiFi Calling both work great on her phone. I can toggle off VoLTE on her phone and her 4G signal drops to 3G when placing a voice call, or I can toggle VoLTE on and place a voice call and it stays on 4G and displays the HD Call symbol as well. Weird science!

I tried to check if volte is greyed out but *#*#4646#*#* doesnt work with the phone. how can i go to that menu?

I have tmobile and live in illinois and my 5g and volte is working. Can confirm if you need pictures.

jtizzle34 said:
I have tmobile and live in illinois and my 5g and volte is working. Can confirm if you need pictures.
Click to expand...
Click to collapse
Same but i had to force root to get VoLTE working

Maybe it is Operator dependent as here in the UK (on Three.UK) I have 5G everywhere where other phones have it and also I have HD Calls icon and VoLTE enabled (have not done anything specific for those to work). Pretty soon Three.UK will be shutting down their entire 3G network so there will be only 4G and 5G...

Hi Guys, Just sharing my experience with you . I'm in Australia with Vodaphone. % g works as well as volte, haven't done anything special. I've travelled to the US this week, and 4g is ok, as well as Volte.

Question Is your 5G working in UK on x30 pro? (China variant)

I have bought an x40 and 5G just doesn't work. I should have 5G reception at home on EE, as it worked on my previous phone, but the x40 doesn't. I also tried other networks from my house mates, THREE, and VODAFONE and I still have no 5G whatsoever. So now I'm trying to see if Motorola is blocking Chinese variants, of if it's an Android 13 issue, because the network is definitely not the problem. On my network (EE) I'm also missing the "preferred network type" option in settings. This setting is present on Vodafone and Three, but I can only select 2g/3g/4g. No 5g
Dialing*#*#4636#*#* and manually switch to 5g doesn't do anything
NR state is also set to NONE
So does anyone who has an x30 pro can confirm that 5g works on their device? And if they have "preferred network type" in settings on EE, , and maybe post a screenshot with *#*#4636#*#*?
Thanks
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I bought a Motorola X30 Pro (China variant of the Edge 30 Ultra) and has a similar issue but it depends on the carrier I am using (I'm from Southeast Asia).
I stay in Malaysia and using 1 Malaysian SIM and 1 Philippine SIM (Roaming)
Carrier 1: Digi -- no 5G option in preferred network type
Carrier 2: Globe Telecom (using Maxis telecom as roaming) -- 5G option available in preferred network type.
I travelled to Philippines last month and was able to use 5G under "Globe Telecom" whereas Digi couldn't connect to 5G.
With that said, I believe this is a network issue more than the device. Network carriers should provide a SIM card which is 5G ready.

ijuanp03 said:
I bought a Motorola X30 Pro (China variant of the Edge 30 Ultra) and has a similar issue but it depends on the carrier I am using (I'm from Southeast Asia).
I stay in Malaysia and using 1 Malaysian SIM and 1 Philippine SIM (Roaming)
Carrier 1: Digi -- no 5G option in preferred network type
Carrier 2: Globe Telecom (using Maxis telecom as roaming) -- 5G option available in preferred network type.
I travelled to Philippines last month and was able to use 5G under "Globe Telecom" whereas Digi couldn't connect to 5G.
With that said, I believe this is a network issue more than the device. Network carriers should provide a SIM card which is 5G ready.
Click to expand...
Click to collapse
Thing is, I tried 3/4 UK networks and none connected to 5G. Only 2 of the networks had the option "preferred network type" but not even those would let me choose 5G. So none of them connect to 5G. Also if I pop in my SIM into my old Poco F2 Pro, i get 5G as soon as I power up the phone. So I'm inclined to believe that the network is not the issue

XDRdaniel said:
Thing is, I tried 3/4 UK networks and none connected to 5G. Only 2 of the networks had the option "preferred network type" but not even those would let me choose 5G. So none of them connect to 5G. Also if I pop in my SIM into my old Poco F2 Pro, i get 5G as soon as I power up the phone. So I'm inclined to believe that the network is not the issue
Click to expand...
Click to collapse
Hmmm.. this is kinda weird. Check the 5G frequency bands supported by the X40 and what bands are provided by 3/4 UK networks whether they are compatible.
Another option is to call your carrier and ask them to "enable" 5G on your device. Just take a chance as they might have some sort of whitelist.
Just to add, I contacted "Digi" network yesterday why I'm not getting any 5G. They said 5G is only available for postpaid subscribers for now so yeah.

ijuanp03 said:
Hmmm.. this is kinda weird. Check the 5G frequency bands supported by the X40 and what bands are provided by 3/4 UK networks whether they are compatible.
Another option is to call your carrier and ask them to "enable" 5G on your device. Just take a chance as they might have some sort of whitelist.
Just to add, I contacted "Digi" network yesterday why I'm not getting any 5G. They said 5G is only available for postpaid subscribers for now so yeah.
Click to expand...
Click to collapse
All the bands are supported be the phone, except for O2 UK which is a network I won't ever use
I tried calling EE too and they said they don't filter devices. As long as they're 5G capable, they get 5G.
All 5G bands are enabled on this phone but it just seems like 5g is disabled by Motorola somehow. I also just got a software update yesterday and I hoped that would fix it, but still no.
I browsed Motorola forum and this seems like a recurring issue on their phones.
These are only just a few examples from their forums