LineageOS disable sim - Samsung Galaxy S7 Edge Questions and Answers

Is there a way to in Sm-g935fd running LineageOS 14.1 to completely disable a Sim card like in the original Samsung firmware. I run 2 sims and want to switch between data after I use up the data for one of the Sims. When I try using Sim card 2 for data it will not connect or will not connect with a data connection and keeps trying to use Sim 1 even with the data turned off. I don't think it matters for this but I'm using FreedomPop which uses at&t.

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[Q] Galaxy s5 sim card trouble, data

I have a galaxy s5 from Verizon ,Unlocked.
I tried to switch Verizon sim card out for a Family mobile one (tmobile)
at first nothing was working and this sim card is from an unknown source kept on appearing. After a while the phone and text messaging features began to work,but my data still does not work. I have tries switching mobile network settings and fixing the apn but it still does not work. What other things can I try to make my data work?

Samsung A7 Dual SIM issues after OS upgrade to Mashmallow

I just upgraded my SM-A700FD to Android 6.0.1 and had trouble with Dual SIM operations.
My SIM 1 is on LTE data whereas SIM 2 has no data. Whenever I make a call on SIM 2 (incoming or outgoing) my data connection on SIM 1 is lost. I have enabled Dual SIM Always On in SIMCard Manager under Setting.
I tried in Safe Mode and still the same. Does anyone has the same issue? This seriously render the Dual SIM phone unusable.
The SIM Card Manager also force SIM 2 to 2G if SIM 1 is set to LTE/3G/2G (Autoconnect), even though my SIM 2 is on 3G network but using only voice and text.
When I am using data on SIM 1 to browse or running Apps, I can receive SMS text on SIM 2 without interrupting SIM 1 data, but as soon a voice call is established on SIM 2 the data on SIM 1 is lost.
Would appreciate it if anyone can help.
Thanks!

G935FD - Disable mobile data on second SIM

Hey Guys
Here is the deal..my G935FD is having connectivity issues (service unavailable) on the SIM card that provides backup mobile data but only when on 2G network. My assumption is that this carrier have move away from 2G and have limited connectivity capabilities in 2G. When switched to 4G, works just fine... however I want to use this carrier only for voice services and not data.
I already updated my modem to latest version with same results.
My goal is to disable data completely on this SIM, but the minimum setting on the Edge is 2G and on top of that is not possible to have both SIM running 3G/LTE. I also tried using a fake APN but no luck.
Do you know a way to accomplish this?
mindol81 said:
Hey Guys
Here is the deal..my G935FD is having connectivity issues (service unavailable) on the SIM card that provides backup mobile data but only when on 2G network. My assumption is that this carrier have move away from 2G and have limited connectivity capabilities in 2G. When switched to 4G, works just fine... however I want to use this carrier only for voice services and not data.
I already updated my modem to latest version with same results.
My goal is to disable data completely on this SIM, but the minimum setting on the Edge is 2G and on top of that is not possible to have both SIM running 3G/LTE. I also tried using a fake APN but no luck.
Do you know a way to accomplish this?
Click to expand...
Click to collapse
From what I could understand, you want mobile data on your primary SIM, and use the secondary SIM only for voice but the carrier is re-farming 2G and you can't have 3G on the 2nd SIM slot?
Well, there's no solution for it. One SIM Slot can do 2G/3G/LTE whereas the second one can only do 2G. No way around it.
murtaza02 said:
From what I could understand, you want mobile data on your primary SIM, and use the secondary SIM only for voice but the carrier is re-farming 2G and you can't have 3G on the 2nd SIM slot?
Well, there's no solution for it. One SIM Slot can do 2G/3G/LTE whereas the second one can only do 2G. No way around it.
Click to expand...
Click to collapse
Thanks for your help. So no way to only shut down data completely on the second SIM? Shutting down mobile data from settings shut it down for both SIMs, couldn't find a way to shut them now independently.
mindol81 said:
Thanks for your help. So no way to only shut down data completely on the second SIM? Shutting down mobile data from settings shut it down for both SIMs, couldn't find a way to shut them now independently.
Click to expand...
Click to collapse
Under SIM card manager, when you see the Mobile Data tab, isn't it set to SIM 1? That would automatically disable Mobile Data on the 2nd SIM, however you can't get past the network mode restriction. So SIM 1 will be on 2G/3G/LTE, whereas SIM 2 will be on 2G only.
Very easy
Via the settings tab, get into mobile network tab, select access point names.
Choose the sim u want to deactivate and then select the APN and delete it with the menu option on top right hand corner.
using 3g doesn't mean it will use data.. when u chose the primary sim for data the other will never use data even on 3g.

4G LTE No longer functioning on phone

Hi All!
I own a Lenovo K6 Power as you can already tell,
in which the Data functions were working without any issues.
A few months back I started using 2 sims instead of 1. Since one carrier had faster internet and better connectivity than the 1st.
Still using the 1st SIM for calling and 2nd SIM for data. Occasionally I would switch to the 1st SIM for data when my data pack was over for the 2nd SIM etc...
So one fine day, I was switching back to SIM 2 (Sim I use for data) (Normally when you switch SIMs both deactivate and reactivate with new settings ie SIM 2 for Data).
So while this was happening like usual it took a few seconds to switch SIMs in the midst of this I suddenly got a call...
Which I was unable to answer till the buffering animation left my screen.
When that did get over... Both my SIMS were set to EDGE 2.5 g when they were always recognised as HSPA 3G and 4G LTE for SIM 1 and SIM 2 respectively.
Now I am unable to attain the speeds I used to, it is just barely usable now...
I then tried the usual troubleshooting (Airplane Mode on/off, Deactivating / Reactivating SIMs, Swapping SIMs physically from their slots and Finally Rebooting...)
Now when I recently tried doing the same my 2nd SIM which I usually use for Data appears as SIM Card Not Ready...
However, when I individually insert SIM 2 it is read by the phone
But still, whether I individually insert the SIMs or together the phone recognises both the SIM cards as 2.5g EDGE.
They used to be HSPA 3G and 4G LTE.
But now I can't use Data on my phone which is the major problem...
Please Help
Reset ur phone.
Is there any other option?
Apart from this...
I don't want to lose my data.....
What if that doesn't solve the problem...

Switching between sim for data or disable a Sim.

Is it possible to switch data usage between sim cards in sm-g935fd with LineageOS. I have this phone and would like to switch from using Sim 1 to sim2 after I use up o the data limit on that sim and vice versa. When I disable data on sim1 the phone says no data connection even after restarting and turning on and off airplane mode. On the stock rom that I don't like because of touch with, I can just disable Sim 1 and enable sim 2 and use data on that sim.

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