abhigoyal
Active Level 5
I'm using Galaxy M31
One issue related to VoLTE calls i faced is, when i receive call on my Sim 2 my data connection goes off (as my primary sim in sim 1 Jio with default Mobile Data as Sim 1) but i have enabled it to switch to caller SIM when receiving calls on Sim 2
Why is it not switching? 

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11 Comments
abhigoyal
Active Level 5
Any Method available to enable automatic data switch while on call at Sim 2?
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Ayan_Chakraborty
Active Level 3
Phone needs more than one antenna to maintain both call and mobile data in different sim cards. M31 has only one.
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Anonymous
Not applicable
No

Exynos 9610,9611 Only support Dual Volte Not Dual 4G (standby*)
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abhigoyal
Active Level 5
i'm not asking for dual 4g either. just that when call comes on sim 2, the data from sim 1 should switch to sim 2.
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and neither it lets to manually change data setting during an incoming call to sim 2. is there any way to fix this?
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Ayan_Chakraborty
Active Level 3
this needs 2 physical antennas which m31 does not have. No software can fix this
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i'm not aksing for dual 4g and dual VoLTE but it should should switch data connection for appropriate call SIM or for it also 2 antennas are needed
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Ayan_Chakraborty
Active Level 3
Just use 2 phones. What u are asking has been an issue since time immemorial but phone manufacturers never seem to care
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Ayan_Chakraborty
Active Level 3
Even the s20 with 7 antennas don't have this feature😅
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