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Dual Sim Question

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JeffATL

Senior Member
Oct 10, 2009
830
70
For those on dual sim, does data on the secondary sim ever get used. In Sim Card Mgr there is a toggle to use it during a phone call but other than that , say my primary data sim is poor, I wish it would use the one with the better connection automatically but I do not think this is an option
 

willcor

Senior Member
Oct 2, 2008
1,049
305
I have a Samsung Galaxy Note, SM-N986B/DS.

No, my experience is, you can't set data usage to automatically,
But why don't you just choose Sim2, for data usage.?

While back i had 2 x Sims in my device.
(One Sim is a just a data Sim, loaded with 10 gigs data each month )
The other Sim only had 1 gig data on it, each month .)
I set my preferences as follow in Sim Manager ......
Calls.... Sim 1
SMS.... Sim1
Data ( mobile)... Sim 2
Worked fine.
No issues.
If i switched my mobile data on it would
use Sim 2 data.

However,
I have since changed my setup.
Took second Sim out of phone,
as i experience
"more battery drain" (overnight )
than when i was using
only one sim and/or sd card.
Good luck.
 

JeffATL

Senior Member
Oct 10, 2009
830
70
I have a Samsung Galaxy Note, SM-N986B/DS.

No, my experience is, you can't set data usage to automatically,
But why don't you just choose Sim2, for data usage.?

While back i had 2 x Sims in my device.
(One Sim is a just a data Sim, loaded with 10 gigs data each month )
The other Sim only had 1 gig data on it, each month .)
I set my preferences as follow in Sim Manager ......
Calls.... Sim 1
SMS.... Sim1
Data ( mobile)... Sim 2
Worked fine.
No issues.
If i switched my mobile data on it would
use Sim 2 data.

However,
I have since changed my setup.
Took second Sim out of phone,
as i experience
"more battery drain" (overnight )
than when i was using
only one sim and/or sd card.
Good luck.
I have unlimited data with Visible on sim1. I have 2gb of T-Mobile on sim2. If I'm in a spot whereb Visible sucks, I want to switch to sim2
data
 
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willcor

Senior Member
Oct 2, 2008
1,049
305
I have unlimited data with Visible on sim1. I have 2gb of T-Mobile on sim2. If I'm in a spot whereb Visible sucks, I want to switch to sim2
data
Yes ,it's was just the opposite situation for me ,where i had more data on Sim 2 .
However,overall i guess it never worried me, as i am 90% on wifi .
I also noticed ,more battery use age of keeping mobile data on ,than wifi.

I guess the only option left ,would be to manually, change to preferred data Sim .
As far as i can remember the best option ,
( when i had 2 Sims in my phone )
i would swipe down to expand phone quick settings
and my Sim preferences , showed ,just under the phone ,quick settings icons .
I would then long press on the preferred data Sim choice and change it there.
It was better than going all the way to Sim Manager .
Good luck
 

JeffATL

Senior Member
Oct 10, 2009
830
70
Yes ,it's was just the opposite situation for me ,where i had more data on Sim 2 .
However,overall i guess it never worried me, as i am 90% on wifi .
I also noticed ,more battery use age of keeping mobile data on ,than wifi.

I guess the only option left ,would be to manually, change to preferred data Sim .
As far as i can remember the best option ,
( when i had 2 Sims in my phone )
i would swipe down to expand phone quick settings
and my Sim preferences , showed ,just under the phone ,quick settings icons .
I would then long press on the preferred data Sim choice and change it there.
It was better than going all the way to Sim Manager .
Good luck
Hmmm, the battery thing is interesting. I've tried so hard to get dual sim, flashing TMB onto Unlocked but now the battery thing is a bummer. If that is what causing it. I just turned off 120 refresh rate to see if that improves battery

In Quick Settings I see where I can click on one of the sims on the top and it takes me to the sim card menu but I wish it were just a toggle instead of taking to the menu
 
Last edited:

willcor

Senior Member
Oct 2, 2008
1,049
305
? Hmmm, the battery thing is interesting. I've tried so hard to get dual sim, flashing TMB onto Unlocked but now the battery thing is a bummer. If that is what causing it. I just turned off 120 refresh rate to see if that improves battery

In Quick Settings I see where I can click on one of the sims on the top and it takes me to the sim card menu but I wish it were just a toggle instead of taking to the menu
Firstly,
Yes, only thing you can do
is "toggle" it manually, like you described.

Secondly,
with 2 x Sims in my phone
i found that my average "sleep" over night
was example......

+- 12 % battery drainage, over period of +-8/10 hours (sleep.)
Further the way i see it,
is that even with phone in
sleep mode, it still trying to get better signal reception.... x 2...? whilst
This i checked via Betterbattery app.

Secondly,
I am back on one sim.
My average sleep overnight is
8 % for 10/12 hours sleep.!

Bottom line,
It's your phone.
That battery diffs, is no big deal...
For me it was an irritating issue. thats all
If you happy with 2x sims
keep it that way!
Good luck
 

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    I have a Samsung Galaxy Note, SM-N986B/DS.

    No, my experience is, you can't set data usage to automatically,
    But why don't you just choose Sim2, for data usage.?

    While back i had 2 x Sims in my device.
    (One Sim is a just a data Sim, loaded with 10 gigs data each month )
    The other Sim only had 1 gig data on it, each month .)
    I set my preferences as follow in Sim Manager ......
    Calls.... Sim 1
    SMS.... Sim1
    Data ( mobile)... Sim 2
    Worked fine.
    No issues.
    If i switched my mobile data on it would
    use Sim 2 data.

    However,
    I have since changed my setup.
    Took second Sim out of phone,
    as i experience
    "more battery drain" (overnight )
    than when i was using
    only one sim and/or sd card.
    Good luck.
    I have unlimited data with Visible on sim1. I have 2gb of T-Mobile on sim2. If I'm in a spot whereb Visible sucks, I want to switch to sim2
    data