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Original topic:

VOLTE and bad quality signal of Wi-Fi and mobile data on S10 Plus

(Topic created on: 31-01-2020 06:55 AM)
Adem0
Helping Hand
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Galaxy S10 Series

How does this work?

 

If this setting is turned offScreenshot_20200131-013422_Call settings.jpg

 

will the VoLTE still allow me to use data while talking through even tho this setting '' Use mobile data during calls '' is turned off?

Thank you for your help!
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11 REPLIES 11
BandOfBrothers
Superuser II
Superuser II
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Galaxy S10 Series

What happens if you turn this off and you then get an incoming call @Adem0 

 

 


Current Phone > Samsung Z Fold³ 5G.

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jhl0
Apprentice
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Galaxy S10 Series

Hello,

 

May I know your phone's model number and CSC code?

 

Is it SM-G9770 or SM-G977F?

 

CSC code is located at Settings - Device info - Software Info - Service provider SW version.

 

Thanks a lot.

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Adem0
Helping Hand
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Galaxy S10 Series

Phone model is SM-G975F 

 

CSC: G975FOXM4BTA8

Thank you for your help!
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jhl0
Apprentice
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Galaxy S10 Series

Thanks for your reply.

 

I was really looking for device supporting "use mobile data during calls".

 

May I Know exact CSC Code which is located at "Settings - About phone - Software information - Service provider sw ver." and it looks like "XEU/XEU,XEU/XSG" for example.

 

And for your question, when you turn that option off, if you need to use mobile data during calls you need to make a call with same sim card using mobile data.

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Adem0
Helping Hand
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Galaxy S10 Series

Screenshot_20200307-001943_Settings.jpg

 

 

And for your question, when you turn that option off, if you need to use mobile data during calls you need to make a call with same sim card using mobile data

 

So it means I can use mobile data during the call even with that option off? 

Thank you for your help!
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jhl0
Apprentice
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Galaxy S10 Series

Yes, that's right. If when you turned on mobile data with same sim card used for calls.

 

If you turn off VoLTE, mobile data changes to 2G/3G on call.

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Adem0
Helping Hand
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Galaxy S10 Series
So what's the purpose of that setting then?

Also why did you need all that info?
Thank you for your help!
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jhl0
Apprentice
Options
Galaxy S10 Series

I asked you CSC code because "Use mobile data during calls" option does not exist in many countries. It's really useful feature.

 

Turning on use mobile data during calls option helps you to use mobile data for example when your primary sim for call is SIM 1, and primary sim for data is SIM 2. It automatically changes mobile data sim to SIM 1 when you're on call.

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Adem0
Helping Hand
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Galaxy S10 Series
Thank you!

It automatically changes mobile data sim to SIM 1 when you're on call.

??
Thank you for your help!
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