Dual SIM Data Toggle - Huawei P20 Questions & Answers

So Im using dual sim p20 and Ive noticed that upon selecting one card to be the primary card for data connectio ln the network type on the second card automatically switches to 4g. I can change the network tyoe only on the primary card , the one being used for data connection (I can toggle between 2g, 3g, and 4g). But the other card is set to 4g and there ia no option to change this setting. On my wifes samsung you can for example set both cards to use 2g or 4g.. Is there any workaround for huawei devices? Thanks.

I just found a way to change it lol... Basically one must click on "dual sim 4g" under dual sim setup..after doing so I can go back to network settings and set both cards to use any network type I want.

Related

[Q] Choosing 2g data on dual sim moto g

Hi, I have a dual sim Moto G. I have a 3g sim and a 2g sim card.
I wish to use the 2g card for data and calls but the 3g sim for calls only.
Now I put the 3g sim in slot 1 and the 2g sim in slot 2. Now when i choose data mode for the 2g sim it changes the data network type to 3g without me choosing that option. And it changes my 3g sim to 2g network only.
I'v tried all sorts of ways but it still changes the sim network type on its own.
Any ideas on what i'm doing wrong?
Many thanks in advance, Ben.
P.S. yes I did search the forums first but I couldn't find any details about this issue.
bentree said:
Hi, I have a dual sim Moto G. I have a 3g sim and a 2g sim card.
I wish to use the 2g card for data and calls but the 3g sim for calls only.
Now I put the 3g sim in slot 1 and the 2g sim in slot 2. Now when i choose data mode for the 2g sim it changes the data network type to 3g without me choosing that option. And it changes my 3g sim to 2g network only.
I'v tried all sorts of ways but it still changes the sim network type on its own.
Any ideas on what i'm doing wrong?
Many thanks in advance, Ben.
P.S. yes I did search the forums first but I couldn't find any details about this issue.
Click to expand...
Click to collapse
In a dual sim mobile phone 3g network can be operated from one sim only so what you can do is activate 3g on the 3g sim and disable internet on it and then the only choice for 2g sim would be to stay on 2g and then you enable internet on it.
If it doesn't work try changing slots.
If I helped please hit thanks!
Meuuks13 said:
In a dual sim mobile phone 3g network can be operated from one sim only so what you can do is activate 3g on the 3g sim and disable internet on it and then the only choice for 2g sim would be to stay on 2g and then you enable internet on it.
If it doesn't work try changing slots.
If I helped please hit thanks!
Click to expand...
Click to collapse
I have tried switching sim slots. What happens is when i select the enable data tick on the 2g sim the network type bar greys out and changes to 3g mode on its own. The only way i can change network mode is to de-select data mode and choose 2g again.
Cheers, Ben.

Huawei Mate 9 only 2G possible?

Got the L29, so dual sim.
My first sim is for calling and sms, so I only need 2G but I can not set it to only 2G. Just the sim for mobile network (it's sim 2) can set to 2G, 2G/3G, 2G/3G/4G and only 4G.
The problem is 3G is really bad for sim 1 and this drain my battery for nothing, cuz I only need 2G for calling/sms.
I got a lot dual sim devices and this one is just strange in some things.
Regards
This is a problem for me, too
Dosen't work, I call already Huwei and they can not help me. Really bad :/
theres a setting in sim card management under mobile networks. it lets you pick which one gets data.
I can easily set 2G only for sim1 here, dont know what you did? Or your carrier doesnt support this, I mean if there is no 2G in your country, why could you change it to 2G?
Same problem on my mate 9 and my axon 7, seems to be an androidwide problem.
NikiFue said:
Same problem on my mate 9 and my axon 7, seems to be an androidwide problem.
Click to expand...
Click to collapse
Naw, it works perfect with OnePlus 3, 3T, Mi5, Mi5s, Mi5s Plus and all other phones. Set Sim 2 to 2G/3G/4G and Sim 1 only on 2G. Here you can set Internet and this is it, the other sim go 2G/3G.
Gesendet von meinem MI MAX mit Tapatalk
In "settings/more/mobile networks" I can set the preferred network mode for each sim card. Had this when I used it as dual SIM for my work: sim 1 data mode on 2g, sim 2 on 4g. Works perfectly, even on 2 completely different providers.
djmvt said:
I can set the preferred network mode for each sim card. .
Click to expand...
Click to collapse
I don't believe. When mobile data is default set to sim 1, just to sim 1 can be selected preffered network mode.
In my case: sim 2 -default mobile data- can be set to 2g only/auto 2g3g...evrything. Sim 1 switched automatically to 2g/3g/lte auto-can not be set preffered network mode.
If i switch default mobile data to sim 1, preffered network mode can be modified in sim 1, but not for sim 2, and sim 2 switched auto to 2g/3g/lte auto.
I want like this:
1. sim1 default data-3g/4g/lte
2. sim 2---2g only. But this is not possible because just in this case, sim 2 jump into 2g/3g auto.
djmvt said:
In "settings/more/mobile networks" I can set the preferred network mode for each sim card. Had this when I used it as dual SIM for my work: sim 1 data mode on 2g, sim 2 on 4g. Works perfectly, even on 2 completely different providers.
Click to expand...
Click to collapse
Nope... Just the sim which is for mobile network. If I change sim 1 to mobile network, I can set to only 2G but the other one will be 2G/3G
Storm198025 said:
I don't believe. When mobile data is default set to sim 1, just to sim 1 can be selected preffered network mode.
In my case: sim 2 -default mobile data- can be set to 2g only/auto 2g3g...evrything. Sim 1 switched automatically to 2g/3g/lte auto-can not be set preffered network mode.
If i switch default mobile data to sim 1, preffered network mode can be modified in sim 1, but not for sim 2, and sim 2 switched auto to 2g/3g/lte auto.
I want like this:
1. sim1 default data-3g/4g/lte
2. sim 2---2g only. But this is not possible because just in this case, sim 2 jump into 2g/3g auto.
Click to expand...
Click to collapse
Ah I see what you mean! Have been playing with 3 different dual SIM phones last year so got it mixed up. What I did with my Huawei mate 9 when I used dual SIM was: sim 1 set to auto 4g 3g 2g and on sim 2 I overruled the automatic provider search and just picked the 2g network from my provider. It then still mentioned 2g 3g in dual SIM settings but it didn't connect to 3g because I selected a 2g only network.
Is this how you want it?
on my ZTE it's really funny. the setting is available but disabled lol
Fixed By using Tasker [No Root]
I got this issue fixed by using Tasker so probably there might be an ADB command to set the network mode
My fix:
Make a new task -> Press + button -> Mobile Network Type -> Choose required network mode
Note: Will need to enable USB debugging and use the command `adb tcpip 5555` for getting the permissions. Also this might need to be done after ever phone reboot

Honor 8 4g

Good evening I turn to you because I have a problem with my slot sim 2 I do not have a 4G. When I activate it I have no network. Roaming and any other settings sound activated. At least I hope so.
Although the phone tells me that the network is available, I can not call or receive calls (same for SMS). On the other hand, a priori, no problem to access the internet via 3G. When I try to call I have the following message: Mobile network not available
Help me
Have you tried any other SIM?
You need to go into your mobile network setting and Dual Sim setting to make sure Sim 2 is active.
Now if you want Sim 2 to use 4G you will have to select this in the Dual Sim setting. By default Sim 1 is the default mobile settings.
At any one time 2 sim are in the device only one will use 4G or 3G the other will use 2G.
here are the tests I made with reboot
https://i.imgur.com/VKXibvQ.png
https://i.imgur.com/XGZ1yXi.png
https://i.imgur.com/iLkoRm5.png
Pleaze help
Help help

Dual Sim Question

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
JeffATL said:
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
Click to expand...
Click to collapse
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.
willcor said:
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.
Click to expand...
Click to collapse
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
JeffATL said:
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
Click to expand...
Click to collapse
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
willcor said:
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
Click to expand...
Click to collapse
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
JeffATL said:
? 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
Click to expand...
Click to collapse
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
JeffATL said:
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
Click to expand...
Click to collapse
Previously, say I had Sim 1 for data and Sim 2 for calls and i got a call on Sim 2, then Sim 1 was unable to access data but this has now changed with N20U
If I understood this correctly then I think my device is different cos regardless of which Sim is primary or secondary, I have an option under settings>connections>mobile networks> allow all Sims to use data in calls, which I can toggle on or off. I have found selecting this allows the other sim to use data which was not possible in some earlier android versions.
william-johnson said:
Previously, say I had Sim 1 for data and Sim 2 for calls and i got a call on Sim 2, then Sim 1 was unable to access data but this has now changed with N20U
If I understood this correctly then I think my device is different cos regardless of which Sim is primary or secondary, I have an option under settings>connections>mobile networks> allow all Sims to use data in calls, which I can toggle on or off. I have found selecting this allows the other sim to use data which was not possible in some earlier android versions.
Click to expand...
Click to collapse
But not when I'm in a call. I needed to use data from my secondary sim because I was in a dead spot for first sim. I had to go to sim card menu in settings and change primary sim and then change it back eventually. I did use the shortcut from the pull down menu but I wish I had a toggle , ideally from Nova Launcher
I am interested to purchase a SM-N986B DS for my dual sim work/personal cell in the US near NYC. I have metro PCS and Verizon. Will this phone allow verizon to operate as the second sim? It would be a non-data sim. I know it is a GSM phone and not CDMA but also read that the LTE bands may be compatible at 4g/5g. Curious before I take the dip to buy and find out it won't work...

Dual sim settings

My phone uses only one sim card where the data default is set and the other sim card loses network what could be the issue
Kalulu constant said:
My phone uses only one sim card where the data default is set and the other sim card loses network what could be the issue
Click to expand...
Click to collapse
Have you enabled dual sim card setting in the settings?

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