Dual SIM: One for Wi-Fi hotspot, the other for all other apps? - Android Q&A, Help & Troubleshooting

I am the proud new owner of a Motorola G4 Plus 32GB running Android 6.0.1, there seems to be an update available, though it will not update from here as there is no Wi-Fi, therein the reason for this post.
My personal Vodafone SIM that has 4G most of the time, but with a 15GB limit, and I have a work Three SIM, that rarely gets 4G, but I have confirmed with my employer has no limit.
The SIM settings have an option to select which SIM to use for mobile data manually, but what I would really like to do is use my work SIM for when I tether my laptop to my phone using the Wi-Fi hotspot (which is often where I live at the moment), and my personal SIM for all other apps on my phone.
Anyway to achieve this?

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[Q] My Atrix 4G does't connect to mobile internet

Hello,
I have an unlocked AT&T motorola atrix 4g mobilephone in Spain. If I put inside it a Vodafone SIM card I can connect to the internet (3G) without any problem after setting the APNs, but when I try it with a Euskaltel SIM card (an Spanish virtual mobile network provider that uses the Vodafones network) I can't connect to the internet (3G) even if I set the correct APNs.
The problem is not the SIM card because it works in a Nexus S after setting the APNs, and as I have said, the Atrix also connects to the internet with a Vodafone SIM card. But Euskaltel+Atrix doesn't work.
The wierd thing is that after I set the APNs, or activate the internet roaming, sometimes appears the arrows that it is connected but just for a few seconds and then dissapear, but even with the arrows if I open quickly the web browser it claims that doesn't have internet connection.
I have tried with other ROMs and the same thing happens, and also with an AOSP ROM like CM7 beta, there is no way to make it work.
Does any one have any kind of clue to solve this?
Regards and thank you
gonzalobf said:
Hello,
I have an unlocked AT&T motorola atrix 4g mobilephone in Spain. If I put inside it a Vodafone SIM card I can connect to the internet (3G) without any problem after setting the APNs, but when I try it with a Euskaltel SIM card (an Spanish virtual mobile network provider that uses the Vodafones network) I can't connect to the internet (3G) even if I set the correct APNs.
The problem is not the SIM card because it works in a Nexus S after setting the APNs, and as I have said, the Atrix also connects to the internet with a Vodafone SIM card. But Euskaltel+Atrix doesn't work.
The wierd thing is that after I set the APNs, or activate the internet roaming, sometimes appears the arrows that it is connected but just for a few seconds and then dissapear, but even with the arrows if I open quickly the web browser it claims that doesn't have internet connection.
I have tried with other ROMs and the same thing happens, and also with an AOSP ROM like CM7 beta, there is no way to make it work.
Does any one have any kind of clue to solve this?
Regards and thank you
Click to expand...
Click to collapse
Try creating a new apn & call the first field "euskaltel" & the second one "internet", leave the rest as they are, click save & activate it. That worked for me a couple of months ago with a yoigo card.
It doesn't work, but thank you anyway

Experimenting Le Max 2 (X820) with Verizon Network

According to the specification sheet, my Le Max 2 (Model X820) has all the bands required for Verizon. I am always interested in finding out whether it can be used on Verizon network, and if so, how. I have done quite a bit of experiments and would like to share my findings.
First thing first, and I am sure most of us know it - you cannot activate a Verizon SIM using this phone. It must be an activated Verizon SIM that you pop into this phone.
I am using an Xfinity Mobile SIM, which uses Verizon. It is not a Verizon prepaid or post-paid SIM. I do not think it makes any difference in my experiment though.
I can get one of the two working conditions: (1) 3G voice + 3G data, or (2) 4G data but no voice. In case (1), the phone is connected to Verizon’s EvDo network. Voice works fine. Data also works, but it is only 3G. In a phone call, data is disconnected, which is what an EvDo network does. In case (2), LTE data works, but Voice is out of service. I did try VoLTE but to no luck (The same SIM works fine with VoLTE in a Nexus 6P).
To me, only case (1) is a workable solution. When one would like to think in case (2), we can supplement Verizon’s LTE data with voice from another SIM. It does not work. When LTE data is set to use Verizon, the other SIM does not work at all. Some people may be fine with Hangouts or a VoIP solution though.
For a dual-SIM set up, it goes like this: SIM 1 – Verizon, for voice/SMS, SIM 2 – ATT or T-Mobile, for data. The drawback is that when you are in a call, data is disconnected.
But even for such a set up to work, there is some work to be done. Based on my limited knowledge of how Verizon’s CDMA network works, it seems that for voice to work, some provisioning must be done (information such as MDN, PRL, etc.). I find that this provisioning is only doable in a Chinese stock ROM. Once that is done, use TWRP to make a copy of the EFS partition. That is my savior. With such a “provisioned” EFS, it is possible to use Verizon in custom ROMs such as RR or lineage. If this EFS partition is overwritten, then the phone will not work with Verizon in case (1).
I know in the past, people have used software such as CDMA workshop, or Qualcomm’s programming software to set parameters for CDMA network. I do not know if it will work for this phone or not. But that is clearly beyond my skill level.
How do you get 3g voice and 3g data work?
Heyyo, tbh I made a build of LineageOS 15.1 with some kanged verizon files from Sagit (Xiaomi Mi6) but of course I can't test it as I am in Canada... if you're willing to try it out and report your testing it would be appreciated.
LineageOS 15.1 test build with Verizon files:
https://www.androidfilehost.com/?fid=890129502657588300
This is the change:
https://github.com/TheMuppets/proprietary_vendor_leeco/pull/25
I cannot test it since I am not on lineage. Op mentioned he can get 3g voice and 3g data. I would wonder how to get those since I only get 4g data.
xdataibai said:
I cannot test it since I am not on lineage. Op mentioned he can get 3g voice and 3g data. I would wonder how to get those since I only get 4g data.
Click to expand...
Click to collapse
Sorry for a late response.
For 3G voice and data to work, I chose to force 3G in settings. I used the RR ROM. Settings --> More --> Cellular networks --> Preferred network type: Choose 3G instead of LTE.
You can also use the dialer, enter *#*#4626#*#*, then Phone information. You can choose network mode there too.

Aeroplane mode, root device - 2 sims, one click hotspot on and off

Hello
I have a 4G phone that has 2 sim slots
When purchasing new sims, they have options of data only sims. I'd like to use 1 or 2 data only sims in this phone, and be able to use it as a hotspot.
The problem being that whenever these sims are used in phones, the carrier can detect if its a phone or a hotspot and restrict the data.
How can make sure this phone will allow it to use a data only sim, I heard that aeroplane mode works potentially but other sources say no.
Also the phone has root access if that helps.

Question Samsung S22+ dual sim data available to the second sim as data

I have an S22+ and I have 2 sim cards (esim from Freedom Canada) and a physical sim with Mint mobile.
Also I have wifi calling enabled on both cards.
Is there a way to make data available from the physical sim to the esim as data so Freedom Mobile can registered as wifi calling
using Data from Mint. Like that I can completely disable roaming from my Freedom account
I have not seen any settings for something like that in the sim manager and I was wondering if there any any adb command
I am not aware of such possibility, sorry.

Question Sim for voice and e-Sim for data?

Hi all,
I'm gonna buy an e-Sim, never had one before.
Wondering if, while waiting for my phone number to be moved to the new company E-Sim, if I can set voice calls to Sim and mobile data internet to E-Sim.
Thanks!
Your knowledge about esims is totally wrong they are not what u think about them esim is inbuilt in new smartphones which prevents the use of physical sim card and u can use multiple esims in one device like profiles they just need one time setup
Thanks for your answer.
I don't have knowledge about esims, and that's why I asked esperts.
In any case, I know about profile, multiple profiles (and one profile at a time use on certain devices), my question was a little bit different.
When I had a dual sim phone, I set the first sim for voice and messages and the second sim for mobile data. Second sim had a much better signal and many more Gb plan.
Now I have Pixel6, I have a phisical sim (and my phone numer on it)m and I'm going to buy an e-sim from a different operator. They'll give me unlimited GB, so I thouhgt, while waiting for the old phone number to be transfered on the new e-sim, to use the esim profile for mobile internet data only.
Basically: voice calls: sim 1 (physical sim)
messages: sim 1
Mobile internet data: sim2 (e-sim).
That's what I was asking, is it possible?
Yea everything is possible
U can do it
i am using a esim for voice and a sim for data.
and it pisses me off that i can not talk and surf at the same time.
for me the voice cannot be active and have the data in use at the same time
Is it activated
nutzfreelance said:
i am using a esim for voice and a sim for data.
and it pisses me off that i can not talk and surf at the same time.
for me the voice cannot be active and have the data in use at the same time
Click to expand...
Click to collapse
Strange, my wife is using a P6 with voice on e-SIM and data on physical SIM. So it's possible.

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