Problems with 4g poco nfc x3 - Xiaomi Poco X3 NFC Questions & Answers

Hi there, i have a poco nfc x3 and if i used my provider ben... Then i have no problem with mij phone. But if my wife uses provider Youfone on her poco nfc x3 then when she calls her 4g disappears. If she unlock VoLTE she can uses both, but if someone calls her, the wil be displayed as unknown caller. And i cant fix that. Is there a custom rom available that fixes that problem? I hope there is.
Regards rob

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T-Mobile US

Anyone using the Poco F2 Pro on T-Mobile in the US?
I am. Reception is no different than my T-mobile OP 7pro. The F2pro also don't have tmobile 5g bands.
I tried to reply on Reddit to your question, but guess it didnt show due to low post count. I'm using a Xiaomi Mi 10 Global in the USA and I have VoLTE enabled over a Tmobile MVNO. Wifi calling does not really work properly, at least with the provided IMS settings. As stated above, 5G will NOT work in the USA due to Xiaomi missing necessary USA 5G bands; and 4G LTE may be a hit or miss depending on your area. As long as you're not getting the phone for 5G, it's an excellent purchase! It's not going to be necessary to have a 5G enabled phone for many years anyways, 4G is really fast enough. Hope this helps
mookiexl said:
I am. Reception is no different than my T-mobile OP 7pro. The F2pro also don't have tmobile 5g bands.
Click to expand...
Click to collapse
Are you getting voLTE on T-Mobile? If so, did you have to use the dialer code to enable it?
xda-jimjongs said:
I tried to reply on Reddit to your question, but guess it didnt show due to low post count. I'm using a Xiaomi Mi 10 Global in the USA and I have VoLTE enabled over a Tmobile MVNO. Wifi calling does not really work properly, at least with the provided IMS settings. As stated above, 5G will NOT work in the USA due to Xiaomi missing necessary USA 5G bands; and 4G LTE may be a hit or miss depending on your area. As long as you're not getting the phone for 5G, it's an excellent purchase! It's not going to be necessary to have a 5G enabled phone for many years anyways, 4G is really fast enough. Hope this helps
Click to expand...
Click to collapse
Thanks for the info. I currently have a Mi 9 and have voLTE on T-Mobile and Fi (I did have to use the dialer code). I was just wondering if it's different for the F2 considering it lacks band 12 that the Mi 9 has. Looks like the Mi 10 global has the same bands as the F2, and you're getting voLTE, so I should be good. I also had a Mi A2 in the past, which had bands 2 and 4, which was fine, but voLTE wouldn't work, even with the dialer code. So calls defaulted to 3G, and I would constantly miss calls because it wouldn't ring. I just want to make 100% sure I can get voLTE with the F2 before buying.
Ulver said:
Are you getting voLTE on T-Mobile? If so, did you have to use the dialer code to enable it?
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Click to collapse
Yes I'm getting voLTE and voWifi. I used the dialer code but the funny thing is to enable both I actually had to disable them. Even though after the code I get a prompt that the they're disable they are actually enabled.
Ulver said:
Thanks for the info. I currently have a Mi 9 and have voLTE on T-Mobile and Fi (I did have to use the dialer code). I was just wondering if it's different for the F2 considering it lacks band 12 that the Mi 9 has. Looks like the Mi 10 global has the same bands as the F2, and you're getting voLTE, so I should be good. I also had a Mi A2 in the past, which had bands 2 and 4, which was fine, but voLTE wouldn't work, even with the dialer code. So calls defaulted to 3G, and I would constantly miss calls because it wouldn't ring. I just want to make 100% sure I can get voLTE with the F2 before buying.
Click to expand...
Click to collapse
No problem. I had Google Fi on my Pixel, then got the SIM to use for the Xiaomi Mi 10 Global and everything worked, but I just ended up going with another cheaper MVNO for Tmobile. The only complaint I have is generally I receive like 1-2 bars of reception in my house, when I go about 2 miles out it will jump up to 4+ bars. So when you receive your F2 Pro after setting up the APN settings, ensure in "preferred network type" it is 5G and not LTE! It will obviously not connect with 5G and default back to 4G LTE, but I had a random bug when setting it manually to 4G without voLTE, my phone calls would cut out at exactly 8minutes on the dot, NO Idea why that would happen, just giving you a warning lol. You don't need to use the dialer code by the way, you can set the "Use VoLTE" in the Mobile Network Settings and you will see a VoLTE button ontop. Have fun with your future F2, it's a great purchase .

Use Poco F2 Pro SIM 1 and SIM 2 at the same time with different configurations 5G?

Hello
Why Poco F2 pro have only activate 1 SIM for 5G?
why is it not possible to use SIM 1 with 5G and SIM 2 with no internet or 4G (3G) at the same time?
I only want to be able to make calls on Sim 2 and Internet on SIM 1 with 5G...
can't the Sapdragon 865?
does this come with a later update?
it works now on the Poco F1 ... Sim 1 with 4G and Sim 2 without or with 4G at the same time.
Kind regards
hofi01 said:
Hello
Why Poco F2 pro have only activate 1 SIM for 5G?
why is it not possible to use SIM 1 with 5G and SIM 2 with no internet or 4G (3G) at the same time?
I only want to be able to make calls on Sim 2 and Internet on SIM 1 with 5G...
can't the Sapdragon 865?
does this come with a later update?
it works now on the Poco F1 ... Sim 1 with 4G and Sim 2 without or with 4G at the same time.
Kind regards
Click to expand...
Click to collapse
Poco said they will give update to fix this but no fix yet
Not a fix cause it's not a bug.
It's in the specifications from the beginning, and inside the manual (first pages).
They will provide a update but maybe not...
As we all bought the phone knowing that, they don't have to speed up to provide a 'fix'
hofi01 said:
Hello
Why Poco F2 pro have only activate 1 SIM for 5G?
why is it not possible to use SIM 1 with 5G and SIM 2 with no internet or 4G (3G) at the same time?
I only want to be able to make calls on Sim 2 and Internet on SIM 1 with 5G...
can't the Sapdragon 865?
does this come with a later update?
it works now on the Poco F1 ... Sim 1 with 4G and Sim 2 without or with 4G at the same time.
Kind regards
Click to expand...
Click to collapse
works perfectly on china ROM.
Mastakony said:
Not a fix cause it's not a bug.
It's in the specifications from the beginning, and inside the manual (first pages).
They will provide a update but maybe not...
As we all bought the phone knowing that, they don't have to speed up to provide a 'fix'
Click to expand...
Click to collapse
Of course this is not a bug but the company has the responsibility to keep their word as soon as possible.I don't have 5g here but many people do
gazza1888 said:
works perfectly on china ROM.
Click to expand...
Click to collapse
good to hear, bootloader unlock is on friday, then clean flash mi-globe.com based on EU
thanks
sakibm47 said:
Of course this is not a bug but the company has the responsibility to keep their word as soon as possible.I don't have 5g here but many people do
Click to expand...
Click to collapse
They will but they didn't give ETA.
Here the exact sentence in the poco Manual :
"subsequent software upgrades will include support for primary 5G and secondary 4G/3G/2G card mode function in dual-card situations"
This means they can do it tomorrow or next year..., so we just have to wait...
gazza1888 said:
works perfectly on china ROM.
Click to expand...
Click to collapse
now i am on xiaomi.eu_multi_HMK30Pro_20.10.16_v12-11 (its build from China Rom)...
and still no working 5G on SIM 1 and activate a SIM 2 (without internet).
Why ????
greets
hofi01 said:
now i am on xiaomi.eu_multi_HMK30Pro_20.10.16_v12-11 (its build from China Rom)...
and still no working 5G on SIM 1 and activate a SIM 2 (without internet).
Why ????
greets
Click to expand...
Click to collapse
No idea, but I've tried every stock ROM, custom ROM and dual SIM only works as it should on stock cn rom.
now i am
on xiaomi.eu_multi_HMK30Pro_20.12.10_v12-11 (its build from China Rom)...
and i have working 5G on SIM 1 and 4G on SIM 2 (no 5G contract on SIM 2).
greets

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.
Click to expand...
Click to collapse
2 threads same question.

Network Issue on Mi Mix 2S

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