Question SIM card doesn't work when travelling despite working on other phones. - Redmi Note 11 Pro+ 5G (peux)/POCO X4 Pro 5G (veux)

I've bought a Redmi Note 11 Pro + 5G. When I'm in country A, the SIM card works fine. When I travel to country B, the SIM card does not work at all. I've tried going to mobile networks to try to register it on an available network, but it says it isn't allowed.
This same SIM card, placed in another Android phone (Samsung Galaxy A52S), works perfectly fine in both countries.
Is there anything I can do to get the SIM card to work in both countries on my Redmi? Can I flash some ROM or change something about the phone to get it to work?

Is a Miui bug i think, I have the same problem when I travel with mi Main SIM (with a secondary SIM of the same company it doesn't happen to me), tomorrow I flash Xiaomi.EU to test if it still works badly.

Very interesting. I'm thinking about travelling abrod, so I'm following this thread...
Thanks for keeping us up to date!

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[Q] Xoom 3g sim card problem

Wondering if anyone can help, im using team Eos European 3g rom zoom. now i tried 1 sim card and the 3g works perfectly but when i try my other sim, i enter the pin code on screen , it accepts it, then immediately says "Sim card removed, the mobile network will be unavailable until you restart...." .
The sim card definitely isnt broken because it works in my phone and 3g modem on my pc. I've tried restarting the xoom with Wifi off and no luck.
Thanks
shaunbrookes said:
Wondering if anyone can help, im using team Eos European 3g rom zoom. now i tried 1 sim card and the 3g works perfectly but when i try my other sim, i enter the pin code on screen , it accepts it, then immediately says "Sim card removed, the mobile network will be unavailable until you restart...." .
The sim card definitely isnt broken because it works in my phone and 3g modem on my pc. I've tried restarting the xoom with Wifi off and no luck.
Thanks
Click to expand...
Click to collapse
how old is that "other" sim card? Reason I'm asking is that sim cards use different voltages and old cards tend to cause problems in modern devices.
Around here, providers usually swap sims for free if you say that you've got a problem with one, so I'd go for an exchange if your sim is older that maybe two years...
llama-power said:
how old is that "other" sim card? Reason I'm asking is that sim cards use different voltages and old cards tend to cause problems in modern devices.
Around here, providers usually swap sims for free if you say that you've got a problem with one, so I'd go for an exchange if your sim is older that maybe two years...
Click to expand...
Click to collapse
Its actually brand new, got it on the weekend. It works perfectly everywhere else. I think i'll go to the provider anyway today and see if i can try a sim swap.
This really is baffling me now. I went back to the providers store and tried a different one of their sim cards and it doesnt work either. I just cant understand why my xoom can read certain providers sim cards and not others? (Its definitely not network locked). Could it possibly be the type of sim card (as in a 32k vs 64k etc)?
Any help would be greatly appreciated

[Q] unable to use 3 sim in Panasonic P-05D

Okay so I bought Panasonic NTT docomo P-05D DisneyMobile. It's unlocked, at least should be BUT my 3 network micro-sim card doesn't work. I tried different cards o2 (one of the 1st sim cards I just cut it and it works - UK) as well as 2 Polish cards Play and Orange which worked too. I live in UK and obviously there is nothing to do that it doesn't work in my country. I want the three network to work.
The phone is 3G phone and the card I use only works on 3G phone which shouldn't be a problem. The card works fine on other phone.
Could it be possibly something wrong with the system that needs to be re-installed or that it might not be unlocked properly?
I really don't want to get rid of the phone, I love it but it's a shame that my sim card doesn't work.

Dual sim adapter for the Samsung Galaxy S5

So along with my recent phone upgrade i needed to get a new dual sim adapter. Went with another from www.magic-sim.com and its working great for me. Personally always had a great experience with these little devices and can recommend them! :good:
https://www.youtube.com/watch?v=8dhbcv_n-zU
Had one for the S4 that stopped working after a while, needing a reboot every time you wanted to pick up signal.
I agree with EnricoIT i had the same problems...
Always had great experiences with these devices personally too, in the past when i've needed any technical help their customer service has always been great.
Does anyone no if it's possible to use data from one sim and phone from the other, at the same time. My work Sim doesn't have data, so I'm constantly tethered to another phone with my sim in it. (WiFi doesn't work well in my workplace)
drowsword said:
Does anyone no if it's possible to use data from one sim and phone from the other, at the same time. My work Sim doesn't have data, so I'm constantly tethered to another phone with my sim in it. (WiFi doesn't work well in my workplace)
Click to expand...
Click to collapse
Surely not. Not until there is a true dualsim version of S5
anyone care to discuss use of the s5 with dual sim adapter? is it simple as pop it in and go, or do you have to manually switch from one sim card to the other? I have a crappy work phone and an s5 and would like to just put the work sim into a dual adapter and carry just the s5.
There is a duos version of S5 (SM-G900FD) like this one that I'm using. They are sold in the middle east, mine is a UAE version but I live in Singapore. Everything is mostly the same except the extra sim slot and its unlock.
Sent from my SM-G900FD using XDA Free mobile app

No, you cannot use Nexus 5 on Verizon

This seems to be a very popular Question. I'm here to tell you I've tried all options and been unsuccessful. Please stop asking in the general forum. If you have a "trick" or "idea" you want to try just post in here and I'll try it for you if I haven't already. But, I've likely tried it.
My Nexus 5 is on the latest Jan 2016 version of Marshmallow 6.0.1 - I have 2 Verizon SIM cards which are fully activated and working in other devices; One is a Nano SIM and the other is a Micro SIM. I also have TMobile and Project Fi SIM cards and have traveled extensively so tried many other SIM cards. Here are the results:
Micro Verizon SIM does NOT work in the Nexus 5 regardless of APN settings.
Nano Verizon SIM with Adapter does NOT work in Nexus 5 regardless of settings.
Calls to Customer and Technical Support result in VZW's response: They will NOT "add the IMEI to the database"... Perhaps I just haven't talked to the right people but nobody has been able to do this. I haven't visited a store yet but I'm doubtful they will either.
TMobile SIM works perfectly with no configuration required.
Project Fi full access SIM with Adapter works fine with zero configuration. (This is the SIM I use daily in this phone)
Project Fi Data Only SIM with adapter works when you use the Manual APN settings on their support page.
Vodaphone AU SIM (Prepaid) works fine without any configuration
Vodaphone NL SIM (Prepaid) with adapter works fine with no configuration
TMobile UK SIM works fine with no configuration.
If you have a Nexus 5 then just go get Project Fi or other confirmed working service.
Let's put this to bed. It won't work on Verizon.
compnird said:
This seems to be a very popular Question. I'm here to tell you I've tried all options and been unsuccessful. Please stop asking in the general forum. If you have a "trick" or "idea" you want to try just post in here and I'll try it for you if I haven't already. But, I've likely tried it.
My Nexus 5 is on the latest Jan 2016 version of Marshmallow 6.0.1 - I have 2 Verizon SIM cards which are fully activated and working in other devices; One is a Nano SIM and the other is a Micro SIM. I also have TMobile and Project Fi SIM cards and have traveled extensively so tried many other SIM cards. Here are the results:
Micro Verizon SIM does NOT work in the Nexus 5 regardless of APN settings.
Nano Verizon SIM with Adapter does NOT work in Nexus 5 regardless of settings.
Calls to Customer and Technical Support result in VZW's response: They will NOT "add the IMEI to the database"... Perhaps I just haven't talked to the right people but nobody has been able to do this. I haven't visited a store yet but I'm doubtful they will either.
TMobile SIM works perfectly with no configuration required.
Project Fi full access SIM with Adapter works fine with zero configuration. (This is the SIM I use daily in this phone)
Project Fi Data Only SIM with adapter works when you use the Manual APN settings on their support page.
Vodaphone AU SIM (Prepaid) works fine without any configuration
Vodaphone NL SIM (Prepaid) with adapter works fine with no configuration
TMobile UK SIM works fine with no configuration.
If you have a Nexus 5 then just go get Project Fi or other confirmed working service.
Let's put this to bed. It won't work on Verizon.
Click to expand...
Click to collapse
Did you check their Bring Your Own Device page, where you can submit a form activating an unlocked phone?
vzwsite/bring-your-own-device/
I'd love to know if you try this out!

Problem: Dual Sim Not Working on SM-G930FD

I have the SM-G930FD, carrier unlocked from UAE. It's got the stock android 6.0.1 on it. I bought this phone from NewEgg in the US specifically to take with me to Asia so I can have a Thai SIM for data and my US number available for texts, and also for data when I'm outside of Thailand (yay for T-Mobile and free texting/2G internet). I just got to Thailand yesterday and the dual sim functionality is NOT working
Same issue as reported in the GS7 EDGE version here: http://forum.xda-developers.com/s7-edge/help/s7-edge-duos-data-connectivity-problems-t3349324 - but I don't see any reports of it happening on the regular GS7
More info:
Slot 1: Thai SIM card (I tried two different carriers)
Slot 2: T-Mobile SIM
I set EVERYTHING to use the Thai SIM, and have both SIMs turned ON. Everything works fine for a few minutes, and then BAM, Internet stops working! It says not connected whenever I try to load a webpage, etc. etc. The phone shows The Thai SIM for voice and text, BUT now it shows the T-Mobile SIM for data, EVEN THOUGH if I go back to the Sim Manager, it clearly has the Thai SIM set for data. And obviously it's not pulling data from the T-Mobile SIM or I would have (slow) internet on the phone. The only way I can fix this is to go to the SIM manager and switch to the T-Mobile SIM for data and then switch back to the Thai SIM. The only problem is that this fix could last 30 seconds, or it could last an hour.
In the thread referenced above, there was no definitive fix. Someone said install the Italy or France Firmware, but others say it didn't work for them.
If I turn off the T-Mobile SIM altogether, the Thai SIM's data is steady. But the purpose of this phone is to have dual sim!
The only other thing of note is that when I go to the SIM Manager screen, it shows my US number for my T-Mobile SIM, but it shows "unknown" for my Thai SIM. I checked the APN settings and they all look good.
Could this be a hardware issue that some people are experiencing? It's too late to return the phone :-/
Same Issue
Hey there. I have a G930FD from UAE and I'm having the exact same issue. I'm getting ready to push SUPERMAN ROM on to it to see if that might fix it. Such a pain.
Just wanted you to know you're not alone.

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