Mi 10 Ultra Data Roaming issue - Xiaomi Mi 10 Ultra Questions & Answers

Hi,
I am moving from P30 Pro to Mi 10 Ultra Chinese Rom and using the device in Europe. Same SIM's that were in P30 Pro and working for roaming - when used in the Mi 10 Ultra I can't get any roaming data. I have enabled data roaming and even created new APN's for the cards as per my operators configurations, but no luck. Strangely, the APN details pulled/used on the P30 Pro are different to those pulled/used on the Mi10 Ultra without me changing anything. I have even replicated the APN settings from the P30 Pro. Both phones network unlocked.
Am I missing something very basic? Google seems to indicate issues with MIUI and roaming...
Thanks,
Liam

Related

Unable to Edit APN settings.

I've had nothing but Huawei Devices
Honor X2
Mate 9
Mate 10 pro
Now the Note 10
I have At&t in the US, GSM, and the APN settings are greyed out.
I need to delete just one APN to be able to Hotspot.
Any advice.
I'd wait on the Root, but that seems unlikely now

VoLTE not working

Hi, I had Poco F1 before with working VoLTE, so I know that my carrier and current Sim card is supporting it. All I had to do on the F1 was typing in that code *#*#86583#*#* and activating the new volte setting.
I tried that with the X3 but it's not working. Whenever I receive/make a phone call my connection will switch from 4G to 3G.
Is there a workaround or is it a hardware limitation? I could imagine because the X3 just has an entry level SOC that the modem has some artificial restrictions to differentiate from the flagship SOC (845/865).
Did you get a volte carrier check disabled message after dialling that?
For me both volte and vowifi are working fine
Yes I got that. Are you telling the phone your real location or do I have to chose India or china? I remember with my Poco F1 I had to chose India to get features like call recording...btw I'm in Australia.
Changing regions
Anyone know if I do a factory reset and change to a different region like Europe will that make the phone operate on different Verizon bands possibly allowing me to get service? Just a thought ?
ankerede said:
Yes I got that. Are you telling the phone your real location or do I have to chose India or china? I remember with my Poco F1 I had to chose India to get features like call recording...btw I'm in Australia.
Click to expand...
Click to collapse
If you got the VoLTE was disabled message after entering the code, go to SIM settings and there will show the option to activate VoLTE. If not appears, try to enter the code again and check the SIM settings.
---------- Post added at 05:38 AM ---------- Previous post was at 05:30 AM ----------
Glock45 said:
Anyone know if I do a factory reset and change to a different region like Europe will that make the phone operate on different Verizon bands possibly allowing me to get service? Just a thought ?
Click to expand...
Click to collapse
I think using different bands it's more about regional ROMs construction (Global, India, Europe etc) than changing region in ROM settings. Alternative, you can flash a different regional ROM using MiFlash and see if it helps with your problem.
After entering that code I get the switch, to turn on volte, but that doesn't change anything.
ankerede said:
After entering that code I get the switch, to turn on volte, but that doesn't change anything.
Click to expand...
Click to collapse
Can't you see the specific VoLTE symbol near mobile signal in the upper right corner of the screen? If you can't see it, you can try to make a phone call and see if the google dialer shows it's a VoLTE call (or check the dialer history calls if you use Xiaomi dialer....you'll see there if it was a VoLTE call or not).
Same here with my Poco x3 NFC global I am on Vodafone UK my carrier support volte and vofi but I can't enable it , I have no settings . What I found when I flash custom ROMs the volte works , the sound in voice calls is super crisp and I got the icon always there vote on sim and vofi on WiFi . I need an option or a menu or a trick to show that option in stock ROM to enable it .
I remember back in the days when I had OnePlus I had to go in the ingineer menu to tick on a toggle " enable volte" and "enable vofi"
And later on the OnePlus 7t pro I had to install an apk to force that toggle so I can enable it .
On my Mi Mix 2s it shows volte when enabled. This one no. Poco needs to fix this before a number of users get dumped for lack of volte.
Aburel18 said:
Same here with my Poco x3 NFC global I am on Vodafone UK my carrier support volte and vofi but I can't enable it , I have no settings . What I found when I flash custom ROMs the volte works , the sound in voice calls is super crisp and I got the icon always there vote on sim and vofi on WiFi . I need an option or a menu or a trick to show that option in stock ROM to enable it .
I remember back in the days when I had OnePlus I had to go in the ingineer menu to tick on a toggle " enable volte" and "enable vofi"
And later on the OnePlus 7t pro I had to install an apk to force that toggle so I can enable it .
Click to expand...
Click to collapse
Did you try activate it using this codes in Dialer? VoLTE: *#*#86583#*#* and VoWIFI: *#*#869434#*#*. After that go to your SIM settings and you'll get the option to activate VoLTE and VoWiFi.
I have tried those and I left it on enabled both of them . Still not working
Alin45 said:
If you got the VoLTE was disabled message after entering the code, go to SIM settings and there will show the option to activate VoLTE. If not appears, try to enter the code again and check the SIM settings.
---------- Post added at 05:38 AM ---------- Previous post was at 05:30 AM ----------
I think using different bands it's more about regional ROMs construction (Global, India, Europe etc) than changing region in ROM settings. Alternative, you can flash a different regional ROM using MiFlash and see if it helps with your problem.
Click to expand...
Click to collapse
Thanks only problem is w/o being able to get cell service I can't unlock, any way to flash different rom not being unlocked?
Glock45 said:
Thanks only problem is w/o being able to get cell service I can't unlock, any way to flash different rom not being unlocked?
Click to expand...
Click to collapse
If you have an locked bootloader I'm not aware about a method to flash another regional ROM. I had read that many Poco X3 users have problems getting mobile data connection with Verizon (especially in USA).
Hello anyone has managed to operate the volte on both sim cards simultaneously on his POCO X3? thank you
Alin45 said:
If you have an locked bootloader I'm not aware about a method to flash another regional ROM. I had read that many Poco X3 users have problems getting mobile data connection with Verizon (especially in USA).
Click to expand...
Click to collapse
I was able to get 4g working good signal 4-5 bars long enough to link it to my MI account try to unlock it this Sunday is weird though the signal will stay strong then disconnect then come back and can't add it into any networks via their web site after I unlock it I'll take it to the diff stores try get them to activate it I'll let ya know how it turns out ?
I have the same problem with bouygue telecom, Volte is activated but doesn't work.
Volte also doesnt Work in Germany for reseller Sim cards of German Telekom and Telefonica ...
Alin45 said:
If you have an locked bootloader I'm not aware about a method to flash another regional ROM. I had read that many Poco X3 users have problems getting mobile data connection with Verizon (especially in USA).
Click to expand...
Click to collapse
Got my bootloader unlocked I'll try flash another regional rom
Same here in Italy, no volte, it switch ti 3g. With my previous 8t all was fine
I am using the stock room and used the dial codes got the settings but everytime I tried to make a call it wouldn't work I went to setting all specs and tap internal storage 5 times then choose the sim you are using then you have to turn the top switch off then back on. This is how I got mine working I also have extended my storage by using root explorer and cut everything under sd card and move to storage.

S21 Ultra unlocked service mode help

Hello, so recently I just got a S21 ultra unlocked (sm-g998u1) and been having some problems. I currently have verizion and the problem being is that unlocked samsung phones cannot connect to verizons 5g network out of the box yet (to my knowledge). Prior with my previous phone (s20+ 5g unlocked), I used the *#*#27663368378#*#* access mode code though "phone by google" to manually turn on the 5g bands to be recieved (plus dss), which it worked.
With my new phone, it seems that none of these codes work, being the one above and the *#272* imei code to change carrier config. When I put the codes in, they just erase themselves. Was the access codes changed on the new android 11 platform? Or maybe im missing something? The s21 ultra states it is in a 5g connection by the notification bar status, but speedtest by ookla states its a lte connection, so just a placeholder. Also, it seems that none of the 4g switcher apps worth either, which I would have to guess are also tied into the access codes.

Service Mode problem on my N986B/DS

Hello, Im following a thread on how to choose your 5g bands and improve Lte connection and now i have tried dialing this on my google dialer to choose on 5g bands here on the philippines *#*#276633683782#*#*, as you see no options to choose from. Can someone help me on this please. Im trying to set 5g on my phone because on my red magic 5g i have stable 5g connection and when i insert my sim card on my note 20 5g, i only has 4g+ signal, My note is SM-N986B/DS from KSA. Thank you.
Oh btw i tried uninstall/Disable some packages on ADB by following some guide here and maybe that causes the problem? Thanks you again.
try with google dialer phone from playstore (*#*#276633683782#*#* but only qualcomn supported service menu

Question P11 Pro Chinese Android Tablet - Mobile Network Detection Issue

Hi,
I am from New Delhi, India. Few days back I have got a new P11 Pro Android Tablet from China. It is 5G compatiable device with Dual SIM capability. When I started using it, the tablet accessed Mobile Network only for few minutes and disappeared. It has only 5G (recommended) option under Preferred Network Type menu. I have made all possible settings but network accessiblity is still remain a distant dream. Very rarely it is getting connected to mobile network, that time I can access only mobile data but to make a call I need to wait till the VoLTE indication to appear on the screen. But that will also vanised away in few minutes.
It would be a great help for me if anyone help me out to resolve this issue ?

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