Xiaomi Mi mix on straighttalk - Xiaomi Mi MIX Questions & Answers

Hi, I'm having problems setting up my xiaomi mi mix on straighttalk! Everything works except picture messaging,! Can someone please help me,! I just got this phone today and have tried several apn settings but none work so far! Thanks!!

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Mobile connectivity issues

Good time.
I will try to describe the problem meekly;
I bought Mi 6x in Ukraine.
The phone is new. The box and equipment from the Mi 6x, the sticker on the screen and the back cover from the Mi 6x, but the firmware was A2. That is pure android. Turned on, checked, rang - everything works.
I decided to switch to Miui firmware.
Stitched hard and not immediately. At the beginning of the bodies, he was scorched to such a state that he did not load either into Fastboot or into the EDL. Download EDL helped testpoint. Then TWRP, then rolled the developer from Miroom.
Everything works fine except for one moment.
More about this:
In the network type settings, it is selected - "Preferably 4G", Kyivstar operator.
I am on the street - 4G connection, calls and the Internet works.
I enter the house - the connection disappears before the icon with the crossed-out SIM card. Sometimes the "H" is lit, but neither the calls nor the Internet work.
And whatever I choose in the types of network, it works fully, only the mode "Only 2G"
I go out on the street - all the rules. In any place with a signal level no worse than -105 dB, everything works as it should.
I tried to flash different modems from A2 as well. The result does not change.
I tried the sim cards of other operators - it's useless.
Other firmware also do not change the result.
Due to the fact that I now have an ARB-4, I cannot return to A2 to check how the connection will work there, there is no possibility ...
On the same table I put Mi 6x and Mi 4C, the same operator, Mi 4C - shows 4G, Mi 6x - crossed SIM card ..
Well, actually the question:
Is there an option to solve this problem?
I have really slow 4g, specially at home or closed places, band 20 is 0.4Mbps and band 3 is 4 Mbps, tell me if you find a Solution, did you flashed a2 modem from twrp? I want to try
Oceansoul91 said:
I have really slow 4g, specially at home or closed places, band 20 is 0.4Mbps and band 3 is 4 Mbps, tell me if you find a Solution, did you flashed a2 modem from twrp? I want to try
Click to expand...
Click to collapse
Not. I was flashing a modem from A2 in Mi6x.
Of course, you can try different modems and maybe it will even help you. But I'm not sure...
Reliable_bob said:
Not. I was flashing a modem from A2 in Mi6x.
Of course, you can try different modems and maybe it will even help you. But I'm not sure...
Click to expand...
Click to collapse
I tried with fastboot but I got failed anti arb check or something like this, how did you flashed with arb 4?

K20 pro Bootloader unlock: "can't add more account to this sim card"

Hi all!
I'm trying to unlock the bootloader of my redmi k20 pro / mi 9T pro, I followed some different guides, but without any result.
Now I'm at a sticking point: when I try to add the account in the "Mi Unlock status" i get the message "can't add more account to this sim card".
anyone can help me to get through this problem?
Thanks a lot, this is a really helpfull forum!
Fiodorx said:
Hi all!
I'm trying to unlock the bootloader of my redmi k20 pro / mi 9T pro, I followed some different guides, but without any result.
Now I'm at a sticking point: when I try to add the account in the "Mi Unlock status" i get the message "can't add more account to this sim card".
anyone can help me to get through this problem?
Thanks a lot, this is a really helpfull forum!
Click to expand...
Click to collapse
It sounds like you've got more than one Mi account and the phone number is registered to a different account than the account connected to the phone.
Try logging out of your Mi account on the phone, then log in again, but using the SIM phone number as the account ID.
If that works, then you will also need to log in to the Mi Unlock Tool using the phone number for the account ID.
Robbo.5000 said:
It sounds like you've got more than one Mi account and the phone number is registered to a different account than the account connected to the phone.
.
Click to expand...
Click to collapse
yes, I've got two different accounts, but every time I sing in with a different one, I delete the previous account. but it seems that xiamoi as a "memory" of the number used. so, I can't sing in with no one of the other tow accounts beacuse I already deleted it. now I tried tu use and create an account with another sim: I need to wait 168 h, the same of some weeks ago, but the unlock went bad the last time. I'm on a stacking point.
Fiodorx said:
yes, I've got two different accounts, but every time I sing in with a different one, I delete the previous account. but it seems that xiamoi as a "memory" of the number used. so, I can't sing in with no one of the other tow accounts beacuse I already deleted it. now I tried tu use and create an account with another sim: I need to wait 168 h, the same of some weeks ago, but the unlock went bad the last time. I'm on a stacking point.
Click to expand...
Click to collapse
y have same problem

Question Xiaomi 11t Pro VoLTE and Vowifi

HI Guys,
I just bought this phone for sure I love it but I live in an area where VoLTE is and VoWifi is a must to have due to poor mobile reception
I used the dial in numbers to get VoLte and and Vowifi activated got success and was able to switch them on from Mobile network menu, but they aren't working at all I tried with flight mode on and off for Vowifi same thing, tried sim card from another network no use, and signs for VoLTE or Vowifi hasn't come on notification panel also
I am on Global Rom
MIUI Version 12.5.10 (RKDMIXM)
Does anyone knows any solution to this
Thanks in advance
I've had a problem with my carrier and Wi-Fi calling which I had to fix myself. Xiaomi do nothing except bundle the default carrier settings and very little testing is done if any. There is a good chance the carrier configuration settings for your carrier are missing or broken.
If you can let me know the carrier and country you are trying to get it to work with I will take a look at the modem configuration settings for that carrier and see if it has anything in it for VoWiFi or VoLTE.
Getting it fixed however, unless you go down the technical route of using Qualcomm debug tools and unlocking the bootloader and rooting, the chances of getting it fixed is close to zero. Xiaomi have never looked at the bug report I filed months ago.
HI Philip,
Thank you for the response I am in Australia using Telstra network, I tried Optus Sim as well having the same issue with it, the only solution I could find is in below link
https://forums.whirlpool.net.au/archive/3rppj4r3
It says have to enter into Modem test tools to change region and network to Australia which isn't possible without unlocking the bootloader, I have requested bootloader unlock permission if it doesn't help will need to switch the phone
awais_666 said:
Thank you for the response I am in Australia using Telstra network, I tried Optus Sim as well having the same issue with it, the only solution I could find is in below link
https://forums.whirlpool.net.au/archive/3rppj4r3
It says have to enter into Modem test tools to change region and network to Australia which isn't possible without unlocking the bootloader, I have requested bootloader unlock permission if it doesn't help will need to switch the phone
Click to expand...
Click to collapse
I've looked at the modem configuration file relating to IWLAN and the settings are there. It is noted a Certificate is required to join the IWLAN for VoWiFi so it is possible that certificate isn't on the phone or is now out of date so a connection isn't allowed. It is also possible other configuration settings in the config file are out of date and need updating. If it is possible to get another carrier modem file to work, then often other things can break, but at least that would give a pointer to what changes need to be made by comparing the two.
It should be noted that Xiaomi don't really test these devices everywhere and they seem to just use the default Qualcomm provided carrier modem files and hope for the best in any particular country. You can use the feedback options to tell them of a problem but in my experience you will never get a response and in my case they've never opened a linked file with extra information (on Google drive so I can see who last opened it).
Regarding the other forum info, well I've not been able to get the modem test tool working on the 11T Pro (says to contact the modem team for permission), and the forum posts suggest we need weekly test ROMs where the permissions are enabled, however there are no weekly ROMs for the 11T Pro as far as I know. The next best thing is to modify the same settings using the Qualcomm debug tools, this takes some effort to get working.
PhilipL2021 said:
I've looked at the modem configuration file relating to IWLAN and the settings are there. It is noted a Certificate is required to join the IWLAN for VoWiFi so it is possible that certificate isn't on the phone or is now out of date so a connection isn't allowed. It is also possible other configuration settings in the config file are out of date and need updating. If it is possible to get another carrier modem file to work, then often other things can break, but at least that would give a pointer to what changes need to be made by comparing the two.
It should be noted that Xiaomi don't really test these devices everywhere and they seem to just use the default Qualcomm provided carrier modem files and hope for the best in any particular country. You can use the feedback options to tell them of a problem but in my experience you will never get a response and in my case they've never opened a linked file with extra information (on Google drive so I can see who last opened it).
Regarding the other forum info, well I've not been able to get the modem test tool working on the 11T Pro (says to contact the modem team for permission), and the forum posts suggest we need weekly test ROMs where the permissions are enabled, however there are no weekly ROMs for the 11T Pro as far as I know. The next best thing is to modify the same settings using the Qualcomm debug tools, this takes some effort to get working.
Click to expand...
Click to collapse
Thanks for the info Philip, let's see there is a Xiaomi.eu fastboot rom available hopefully it helps if doesn't better I would switch to some other phone, only Xiaomi phones which lasted with me long enough were Mi 5, and Mi Note 10, would love have Mi 5 again but those days are gone now as xiaomi has stopped thinking about there fans
awais_666 said:
Thanks for the info Philip, let's see there is a Xiaomi.eu fastboot rom available hopefully it helps if doesn't better I would switch to some other phone, only Xiaomi phones which lasted with me long enough were Mi 5, and Mi Note 10, would love have Mi 5 again but those days are gone now as xiaomi has stopped thinking about there fans
Click to expand...
Click to collapse
I can confirm the Xiaomi.eu ROMs contain exactly the same modem files (they don't touch them), so I doubt very much it will be any different. By all means give it a go if you like.
Hi Philip,
Have you checked EEA firmware if that has it?
awais_666 said:
Hi Philip,
Have you checked EEA firmware if that has it?
Click to expand...
Click to collapse
Yes I checked the EEA firmware. From what I've seen investigating my own issues with VoWiFi is that all the firmware regardless of region contain the same standard Qualcomm modem files, even across different devices, not just the 11T Pro.
Did you try to disable carrier check? Dial *#*#86583#*#* in phone and then the VoLTE option would appear into sim options.

Redmi 8 Mi Account Locked Question

Hi guys, my cousins redmi 8 is mi account locked after he performed a phone reset and forgot the password of the mi account and he doesnt have his old phone number aswell that was bounded to the mi account, so i started trying the usual tricks you find on youtube but nothing woked, so i was thinking is it possible to remove the mia ccount by installing a new rom on the phone?.
Thanks
your only bet is to take it to a service center, with proof of purchase and everything else. even with a new miui rom itll still ask for the mi account. if youve used a custom rom before, you should be able to get out
let that be a lesson learnt, dont casually use phone numbs and emails like theyre nothing

Question hello! my message and call synchronization just doesn' start. can u please help.

it's just brand new redmi note 10 pro max with indian varient. using in bangladesh. i used earlier mi 10i 5g with the ame operator with no problem. but after start using this my message and call logs doesnt synck. it says: couldnt sent activation sms. make sure sim 1 works properly.
can anyone help how can i solve this?
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