Someone has already tested the CA capability with 4g+ in Europe ? Intracarrier & intercarrier band aggregation? I read a lot about the lack of full compatibility for previously smartphone models so before buying the 2s I'd love to hear from you if Xiaomi resolved the issues or not!
Thanks!
A saw only ca 7+7. And no ca with 3+7 or 3+38. Maybee working 20+7.
No CA on latest miui 12
Hi,
I read about a thread on enabling it on Mi A1, but the very first step there fails on Mi Mix 2S. I know it's currently not working (nor was it working in the past, either), because download speeds are lower than 20 Mbps, while on my HTC U11 it surpassed 70 Mbps on same SIM and location. I also checked, there is just B3 band and no secondary carrier enabled. I haven't found any guide to do this on MiMix 2S (SD 845), but was shown possible on SD 625 (Mi A1), which to me seems absurd. Maybe some devs can join in with an advice? Thanks!
I cant say anything about Europe but in the USA it works fine. Running xiaomi.eu 12.5.14 miui12.
I have here listed supported CA Combinations: https://cacombos.com/device?model=M1803D5XA .
Related
Hello, I'm based in Italy and I noticed that with every app I've tried there is no sign of 4g+ on this phone. In my place there are three bands bts with 3-7-20 band so I was used to my old oneplus 3t always using 2CA. I find it absurd that a 2019 phone with a quite recent chipset doesn't support it.
I'm not rooted so I can't check with network guru...
Is there anyone that noticed something different? Do we have any confirmation? Is it a software issue or did they really disable ca?
Thanks in advance to anyone
Edit 22/11: It was confirmed today by realme email support that there is NO 4G+ support for the realme 5 pro so as I thought they didn't pay Qualcomm and disabled aggregation.... Just so anyone know before buying the phone. AFAIK all other phones even on 99 euros tier now support at least 2CA
Sounds unlikely it doesn't support 4G with 300 mb/s upper download/upload limit... Not to mention I've looked into specific network responsible files and modules including vendor/modem partition and img. But if you don't believe me...
Btw I've got China Realme Q version which doesn't support B7/B20 only B3 which means I only get 1/3 available LTE/4G bands in my country. Nevertheless I manage. Even if they confirmed they don't support 4G, LTE can get pretty fast. I'm getting high speeds here in Hungary. I don't know whether or not because I use RMQ, not RM5P though.
greenys' said:
Sounds unlikely it doesn't support 4G with 300 mb/s upper download/upload limit... Not to mention I've looked into specific network responsible files and modules including vendor/modem partition and img. But if you don't believe me...
Btw I've got China Realme Q version which doesn't support B7/B20 only B3 which means I only get 1/3 available LTE/4G bands in my country. Nevertheless I manage. Even if they confirmed they don't support 4G, LTE can get pretty fast. I'm getting high speeds here in Hungary. I don't know whether or not because I use RMQ, not RM5P though.
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Hello and thanks for your reply. Of course I believe you, but I guess you didn't really get the main problem in lacking of CA.
Phone supporting bands means nothing, there are many low cost xiaomi phones that, for example, got problems with CA of B7+B20 (like my old Mi A1 for example) which you can find several references in the mi.com forum (for example here, but italian topic: https://c.mi.com/thread-1751078-1-0.html)
This was due to xiaomi disabling some CA combinations due to the phone being sold in different markets and xiaomi wasn't present in the EU officially back at the time, so even tough the phone did support all EU 4g bands it was just not aggregating them.
This leaded as said to GIANT network fluctuation problems which I can make you an example for: under a BTS with b3+b20 inside a building phone was catching 1 bar or B3 instead of getting 5 bars of B20 (which works better inside buildings) so, next to each other my wife OP3t could use internet and receive calls, my Mi A1 was stuck on a single bar not receiving anything.
So i am not talking about SPEED (which is even limited on non-main carriers here in Italy) but about a more serious "stability" of the network, while you move and keep switching between bands, which is crucial for a phone, just that
Xiaomi lately fixed the problem in newer phones, but for years it was like that (mi mix, mi 8 and such are all affected by lacks of EU CA combinations). This realme looks to be the same, and even worse because as said there is not a single 4g+ or CA combination according to them.
Since you are rooted can you check please with something like Network Guru if you, near to a multi-band BTS can "receive" some sort of carrier aggregation there, if you have any near?
Thanks
Ormad said:
Hello and thanks for your reply. Of course I believe you, but I guess you didn't really get the main problem in lacking of CA.
Phone supporting bands means nothing, there are many low cost xiaomi phones that, for example, got problems with CA of B7+B20 (like my old Mi A1 for example) which you can find several references in the mi.com forum (for example here, but italian topic: https://c.mi.com/thread-1751078-1-0.html)
This was due to xiaomi disabling some CA combinations due to the phone being sold in different markets and xiaomi wasn't present in the EU officially back at the time, so even tough the phone did support all EU 4g bands it was just not aggregating them.
This leaded as said to GIANT network fluctuation problems which I can make you an example for: under a BTS with b3+b20 inside a building phone was catching 1 bar or B3 instead of getting 5 bars of B20 (which works better inside buildings) so, next to each other my wife OP3t could use internet and receive calls, my Mi A1 was stuck on a single bar not receiving anything.
So i am not talking about SPEED (which is even limited on non-main carriers here in Italy) but about a more serious "stability" of the network, while you move and keep switching between bands, which is crucial for a phone, just that
Xiaomi lately fixed the problem in newer phones, but for years it was like that (mi mix, mi 8 and such are all affected by lacks of EU CA combinations). This realme looks to be the same, and even worse because as said there is not a single 4g+ or CA combination according to them.
Since you are rooted can you check please with something like Network Guru if you, near to a multi-band BTS can "receive" some sort of carrier aggregation there, if you have any near?
Thanks
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I see your problem. Totally makes sense. Though I don't have network signal issues with my device that can easily be because I'm in a different country with different carrier. That is the easiest explanation. I've taken some screenshots for you in network guru. Hopefully this'll help a bit analyse the situation.
I have here listed Realme 5 Pro supported 4G Combinations: https://cacombos.com/device?model=RMX1971EX - This support 4G+ but only intra-band contiguous combinations so this is reason why in most of networks no CA working.
Has dual SIM.
I'm tempted to buy and import to UK. However, not sure:
1) If Wifi calling works (I've seen online some short-codes to input into dialler). Anyone know if these work (specifically 3 UK)
2) Situation re. network. Obviously I'm pretty sure 4g will be OK but not sure on 5g (Currently 3 UK and Virgin UK/EE/Vodafone)
Any suggestions?
BlueMeany68 said:
Has dual SIM.
I'm tempted to buy and import to UK. However, not sure:
1) If Wifi calling works (I've seen online some short-codes to input into dialler). Anyone know if these work (specifically 3 UK)
2) Situation re. network. Obviously I'm pretty sure 4g will be OK but not sure on 5g (Currently 3 UK and Virgin UK/EE/Vodafone)
Any suggestions?
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Click to collapse
I'm using on Vodafone not the best network, LTE would be more of a problem with no band 20, 5g would be fine, I haven't been to 5g area to test other people in Europe have no problems with 5g
Xioami explained that the china modem and bands are quite different from Europe. With 4G you won't have B20 band and 5G antenna works differently (that's why in europe it's not dual sim).
deus_ex_yue said:
Xioami explained that the china modem and bands are quite different from Europe. With 4G you won't have B20 band and 5G antenna works differently (that's why in europe it's not dual sim).
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Well some one in Europe says Chinese version 5g working perfectly they posted on telegram group.
james1089 said:
Well some one in Europe says Chinese version 5g working perfectly they posted on telegram group.
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I have had china version to test before the global.
5G in Italy didn't work very good in the china Mi 10 pro. I mean that the global version has a 25% more speed.
deus_ex_yue said:
I have had china version to test before the global.
5G in Italy didn't work very good in the china Mi 10 pro. I mean that the global version has a 25% more speed.
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Is that even possible, or lockdown and heavy usage at the time of testing, side by side?
My Chinese version works fine on 5G in UK. Not sure about Italy but in UK we only use N78 5G band and the mi 10 Chinese version has that and several other bands so I'm not sure what you mean by a 25% difference in speed?
I'm wondering if we can unlock additional LTE bands in k30 Pro chinese variant for people who bought the Zoom version. I read it can be done on old devices and bands are not removed by hardware, only locked. Here you can read some examples:
https://forum.xda-developers.com/mi-note-pro/how-to-unlock-lte-frequency-bands-mi-t3215880
https://forums.oneplus.com/threads/guide-how-to-unlock-additional-lte-bands-on-chinese-us-variants-of-oneplus-3.479445/
I hope an expert can throw some light about this and if it can be done on modern devices.
Not having band 20 on vodafone or virgin makes no difference in the U.K. This was an issue years ago as Europe only used band 20, Europe also use band 1,3 and 7 so really isn't a problem anymore. Please search what bands your country uses, it will more than likely use 20 still but the others will also be available. I'm using the zoom model.
gazza1888 said:
Not having band 20 on vodafone or virgin makes no difference in the U.K. This was an issue years ago as Europe only used band 20, Europe also use band 1,3 and 7 so really isn't a problem anymore. Please search what bands your country uses, it will more than likely use 20 still but the others will also be available. I'm using the zoom model.
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Well, if you're living in Germany band 20 is essential. Otherwise you won't have signal on the countryside.
So I'm also quite curious about unlocking different lte bands especially on the k30 pro zoom edition.
dhaern said:
I'm wondering if we can unlock additional LTE bands in k30 Pro chinese variant for people who bought the Zoom version. I read it can be done on old devices and bands are not removed by hardware, only locked. Here you can read some examples:
https://forum.xda-developers.com/mi-note-pro/how-to-unlock-lte-frequency-bands-mi-t3215880
https://forums.oneplus.com/threads/guide-how-to-unlock-additional-lte-bands-on-chinese-us-variants-of-oneplus-3.479445/
I hope an expert can throw some light about this and if it can be done on modern devices.
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Click to collapse
This would be marvellous!!
vivede said:
Well, if you're living in Germany band 20 is essential. Otherwise you won't have signal on the countryside.
So I'm also quite curious about unlocking different lte bands especially on the k30 pro zoom edition.
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Same applies for Netherlands unfortunately. I might just go for the global Poco F2 Pro but I kinda want the Zoom edition lol.
@dhaern
Some info how 5G bands were unlocked on other phones (tools involved QXDM, QPST, com.qtrun.QuickTest)
Guide how to unlock bands and 5G on 700mhz
https://forum.xda-developers.com/redmi-7a/help/5g-700mhz-unlock-t4114679
Enable 5G for OnePlus 8 series and OnePlus 7 5G
https://forums.oneplus.com/threads/enable-5g-for-oneplus-8-series-and-oneplus-7-5g.1239089/
X55 spec wise should is able to handle two sim 5G
How many times will this come up? Seriously it can't be done.
---------- Post added at 09:51 PM ---------- Previous post was at 09:48 PM ----------
dhaern said:
I'm wondering if we can unlock additional LTE bands in k30 Pro chinese variant for people who bought the Zoom version. I read it can be done on old devices and bands are not removed by hardware, only locked. Here you can read some examples:
https://forum.xda-developers.com/mi-note-pro/how-to-unlock-lte-frequency-bands-mi-t3215880
https://forums.oneplus.com/threads/guide-how-to-unlock-additional-lte-bands-on-chinese-us-variants-of-oneplus-3.479445/
I hope an expert can throw some light about this and if it can be done on modern devices.
Click to expand...
Click to collapse
the above link was posted 5 years ago, I'm not an expert but I tried every means possible on the OnePlus 3t, I was also told by people that knew more about it than me that it couldn't be done.
I tried on my old galaxy S4 never been successful
Looks like it's impossible on our phones - QPST sees the phone, but can't do anything with modem memory. Maybe because it's encrypted.
I don't really need band 20, but LTE-A band 7+7 or 7+3 is very needed. In Chinese 2020 models Xiaomi cuts off CA 7+7 support for some reason. My Redmi K20 holds LTE-A CA 7+7 easily.
Hi Everyone, i bought Chinese version K30 Pro, global version model name is Poco F2 Pro
Chinese version support LTE band:B1 / B3 / B5 / B7 / B8 / B34 / B38 / B39 / B40 / B41
Global version support LTE band:1/2/3/4/5/7/8/20/28/38/40/41
I want to unlock LTE band 28, Is it possible unlock band 28 with the device hardware architecture?
I think this was possible on older devices but not newer ones, I could be wrong but we would really need someone to know what they're doing with the Qualcomm qpst and qxdm tools, I gave it a try and gave up. I'm pretty experienced with flashing but really didn't want to take a chance and wipe something I shouldn't.
Is this even possibile hardware-wise?
You would need the qualcomm tool for this to be able to unlock bands. As mentioned before for some older device this was possible but for even last year this wasn't available for the 855/k20 pro. So I don't think anyone should rely on this. Thats why poco f2 pro been released. I know the k30 pro zoom is better with the zoom camera but with out the right bands I would go fo the poco. I hope this helps.
shadow78 said:
You would need the qualcomm tool for this to be able to unlock bands. As mentioned before for some older device this was possible but for even last year this wasn't available for the 855/k20 pro. So I don't think anyone should rely on this. Thats why poco f2 pro been released. I know the k30 pro zoom is better with the zoom camera but with out the right bands I would go fo the poco. I hope this helps.
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depends really on the user and what camera they would prefer, telephoto or macro! The Poco does have more available LTE bands but the zoom has more for 5G. Just now though it's not an issue as all carriers I believe are using n78 for 5g. I would maybe use an app called Kimovil and type in the device and country, this will show all carriers for your country and give accurate network availability. I have the k30 pro zoom which has no band 20 for virgin media and vodafone in the U.K, however this isn't a problem as they both use bands 1 and 3 which both Poco pro 30 and k30 pro support.
Thread closed, topic exists
Exactly the same thread exists here
strongst
Forum Moderator
Hi there, hoping someone can help with an answer;
I'm considering buying a Chinese market version of either the Xiaomi Mi 10 Pro or Mi 10 Ultra but just wanted to make sure that I'll continue to get decent 4G coverage (and hopefully even 5G coverage) on Vodafone UK.
I realise the CN version of the phone doesn't support or have band 20 which from what I've googled so far is 800Mhz.
I have no idea how phone signal actually works, so with this missing band, will I still get full coverage from the remaining bands the phone does support; B1, B3 and B7?
Does it mean that with 75% of the bands, I'll only get 75% coverage? Do certain phone masts only broadcast in B20, meaning I'd get zero 4G signal if the masts my phone uses fall into that scenario?
I'm a complete Layman with all this stuff (as I'm sure you can probably tell from the above ) so was hoping someone could help me out before I commit to spending a load of money on a phone that wont work here in the UK.
Thank you.
Incat said:
I don't know how Vodafone compares to Three here in the uk, but I've owned quite a few Xiaomi phones , and haven't really noticed any difference in ones that have B20 or not.
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Thank you for the reply,
So some of the Xiaomi phones you've had have been Chinese import ones?
And there was no difference in 4g performance Vs global Xiaomi phones? (Just asking coz global versions do have band 20 - 800Mhz)
Thanks.
Incat said:
Yes, but I'm on Three and it might be location dependent too, but I've never had a problem getting 4g on phones with no band 20.
Check what bands Vodafone use compared to Three.
You can buy a global Mi10 Pro with band 20, though the non pro seems easier to get hold of.
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That's great, I'll double check the differences in bands used between Three and Vodafone.
Finding a global Mi 10 Pro has been impossible so far, but fingers crossed......
Thanks very much again, really appreciate it.