How to unlock LTE band on Chinese version K30 pro - Xiaomi Poco F2 Pro (Redmi K30 Pro) Questions & Ans

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.

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I have the same problem but with Lenovo A808t. This is not compatible with 3G & LTE bands in Spain but, I think, It has the same modem that Lenovo A806.
Can I open that bands?

LTE band 28 on RN7pro

Hi guys. I'm looking to get the RN7 Pro, but I have a problem. My network provider has LTE on band 28, which isn't officially listed as supported. Question is, does the chipset have support for that band, and is it possible to enable successfully? If yes, how? Or should I just opt for the global RN7 (non pro)? Thanks.

Redmi K30 get global frequencies?

Hello guys,
Unfortunately we still didn't get the Poco X2 for European markets. Here we are needing B8 and B20 for 4G at least. So if I buy the Redmi K30 from Tradingshenzhen and flash the Poco X2 ROM, will I get those frequencies as well?
Also if I buy at tradingshenzhen they also let me choose global ROM which is more expensive. I think they just unlock the bootloader and flash Poco X2 ROM themselves. Don't need it because we can do the same anyway, right?
AFAIK bands are part of the hardware whereas the software just optimizes the use case in that given region (i.e. it does not enable newer bands just by flashing s/w) - you may do further research on this.
Redmi K30 does support LTE B8 (900). Go to FrequencyCheck website to check if it does support your carrier in your country.

[Question] Unlocking additional LTE bands on K30 Pro Chinese version

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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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.

Simultaneous 5g + 4g

Does anybody know if the x55 modem in the Poco F2 Pro is capable of providing 5g and 4g on two sims simultaneous?
Just wondering if not having it is a hardware or software limitation, Before I bought my F2 Pro I didnt read or watch any reviews that pointed out this drawback.
In the instruction manual it is also written that with an update Xiaomi would have added the dualsim with a sim in 5G but have not yet done so after a year. It's a shame, I will never buy a Xiaomi smartphone again!
m0rtus said:
Does anybody know if the x55 modem in the Poco F2 Pro is capable of providing 5g and 4g on two sims simultaneous?
Just wondering if not having it is a hardware or software limitation, Before I bought my F2 Pro I didnt read or watch any reviews that pointed out this drawback.
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2 threads same question.

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