I have looked all over for a dual sim phone that will allow both sims to connect using 3G or 4G at the same time.
Does such a phone exist?
There are many dual sim phones that look quite nice, such as the LG G4 or OnePlus 2, but it appears they all allow only one sim to use 3G/4G while the other has to use 2G
This seems like a ridiculous restriction since 2G is no longer supported by many carriers and soon won't be supported by any carriers in some countries. Surely there are dual sim phones which allow two 4G connections? Or even 3G+4G.
The preferred SIM is able to pick anything from 2G to 4G, but that causes the standby SIM to have only 2G as a "Preferred Network Type" option.
Is this normal behavior? I made sure the documentation didn't limit the radios on the standby SIM before getting this phone because my one of my carrier does not support 2G, only GSM and LTE.
The SIM works great if I select it as the preferred SIM since it then goes on 3G, but goes back to "Emergency Only" when not preferred.
Is this a hardware limitation on the chipset? I know some other phones are like that (ZenFone 2 for example) but it clearly specifies that limitation on the box. I was expecting both sim cards to be on 3G.
That's dual sim dual stand by on 4g you mean? Forget about it is only marketing on this phone and much other. I have 2 sim from same provider and both 4g or 3g but only one work at same time another has no service same on my LeTv x600. ?
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It seems there is much confusion about the DUAL SIM. Maybe I can help... If you insert 2 SIM Cards the following happens, you must choose which card SIM1 or SIM2 will be used for Data Services. Both slots support LTE but only one can be active at the time. Otherwise, both SIM Cards are indeed active (means they support calls and SMS) however the SIM that is not used for Data Service will be "only" shown as GSM (G) while the other will show LTE (4G) in the status bar. Since most providers use GSM for phone calls anyway (regardless of the data connection) your SIM should work both as active and second. Having said all the above, yes, the option for the standby SIM is only 2G - which is really GSM for that matter (or G in the status bar).
GGranello I am not agree with you. In my case provider is not over 2G service only 3G and 4G and have only 2100 band so one of two SIM is with NO SERVICE (of course I can choose The active SIM) but both doesn't work in same time. And for video calls 3G is needed am I wrong? I want to say that on GSM you can't make video calls.
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mr.claude said:
GGranello I am not agree with you. In my case provider is not over 2G service only 3G and 4G and have only 2100 band so one of two SIM is with NO SERVICE (of course I can choose The active SIM) but both doesn't work in same time. And for video calls 3G is needed am I wrong? I want to say that on GSM you can't make video calls.
Sent from my x600 using Tapatalk 2
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Mr. Claude, my description was meant to explain the way the Phone seem to handle the dual SIM. If Your provider supports ONLY calls over 3G and 4G than you will be out of luck using that SIM as secondary. My (I agree limited) understanding is that GSM providers must support GSM calling in any case but that may be no longer the case. I have used the Phone with 2 SIM cards for quite some time now, one with LTE for Data and the other for Calls and SMS and I had no issues. I have not tried any Video Calls as the prices are quite high here, it is my understanding that you need a 3G (or better) connection for those. And even with Android 6, the P9000 does not seem to support VoLTE calling either.
Yes I am agree with you that this phone does not support VoLTE but neither two 4G or 3G SIM from same Network Provider working together or "DUAL STANDBY"
I have owned a number of dual SIM phones and all of them supported 2G/3G/(4G) on one SIM but only 2G on the other. Before the latest MTK SOCs, it was generally the case that SIM slot 1 would support 2G and 3G (and maybe 4G) and slot 2 only 2G. Now it is possible to swap the SIM functions via the settings menu, but one of the SIMs will still be restricted to 2G.
If your SIMs are both from a provider which doesn't support 2G, like Hutchison Three in the UK, then I'm afraid you will only be able to use one of them at a time. There may be dual SIM phones that support 2G/3G/4G on both SIMs at the same time, but I haven't come across one.
Yep me don't even knowing or heard about one phone that's working with both SIM cards on 4G in same time and actually have 3 phones in my hands all 4G and dual SIM and not work either with 2 SIM on 4G in same network.
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Is Galaxy S9+ Duos with Exynos SoC Dual Sim Dual VoLTE or 2nd Sim Card is 2G/3G only?
So, you will want to use two different SIMs and speak use VoLTE for both?
I think it's possible. I have never thought of it this way, but it should work (although I do not have any evidence to back it up)
Looks like SIM2 won't do LTE at all according to phonemore http://www.phonemore.com/samsung-galaxy-s9-plus-sm-g965fds/specs/3886
2G network SIM2: GSM 850/900/1800/1900
3G network SIM2: Not supported
4G network SIM2: Not supported
Data network SIM2: GPRS, EDGE
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Sorry, but Phonemore specs are completely unbelievable. It's simply bullsh...
Galaxy S7 Edge, Galaxy S8+ Duos and Note 8 Duos (all with Exynos) have 2nd SIM 2G/3G capable. Why could S9+ have only 2G network on 2nd SIM, if older models have 2G/3G?
Galaxy S9+ Duos with Snapdragon SoC supports 4G and VoLTE on both simcards simultaneously. Is it the same with Exynos version?
jano7878 said:
Sorry, but Phonemore specs are completely unbelievable. It's simply bullsh...
Galaxy S7 Edge, Galaxy S8+ Duos and Note 8 Duos (all with Exynos) have 2nd SIM 2G/3G capable. Why could S9+ have only 2G network on 2nd SIM, if older models have 2G/3G?
Galaxy S9+ Duos with Snapdragon SoC supports 4G and VoLTE on both simcards simultaneously. Is it the same with Exynos version?
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Unfortunately non of this devices you mention supports 3G. You have to switch in settings in order to have suport 3G,4G for sim 2 and vice versa.
S8 Exynos (G950FD) supported VOLTE on both SIM but not simultaneously; the other SIM would no longer remain in VOLTE network mode if you selected that mode for one SIM.
It's a shame that below $100 xiaomi phones now support VOLTE simultaneously on both SIM but Samsung doesn't. I hope S9 series does.
madnav said:
S8 Exynos (G950FD) supported VOLTE on both SIM but not simultaneously; the other SIM would no longer remain in VOLTE network mode if you selected that mode for one SIM.
It's a shame that below $100 xiaomi phones now support VOLTE simultaneously on both SIM but Samsung doesn't. I hope S9 series does.
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If you find out that it does will you let me know please. Currently sitting on the Mate 10 Pro which does Dual VOLTE and Dual SIM 4G, if the S9 can do this too then I'll definitely upgrade!
Crombi said:
If you find out that it does will you let me know please. Currently sitting on the Mate 10 Pro which does Dual VOLTE and Dual SIM 4G, if the S9 can do this too then I'll definitely upgrade!
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Well, my pre-order is expected to be delivered by 17th March; I can test and let you know by then.
Will voLTE be enabled by default on unlocked phones? Or will I have to buy an operator modified ROM to have the option to use the VoLTE or Wifi calling services?
Thanks
Its Hybrid Dual-Standby config so unfortunately only 1 sim can be primary at 4G/VoLTE and other can be only 3G/2G at that time.
Yea, I've just got my S9+ Exynos and I can confirm: when 1st SIM card is connected to LTE/VoLTE service, the second SIM card is connected to 3G network
No Dual Sim Dual VoLTE.
Shame on you, Samsung. Half year old Huawei Mate 10 Pro is better choice.
jano7878 said:
Yea, I've just got my S9+ Exynos and I can confirm: when 1st SIM card is connected to LTE/VoLTE service, the second SIM card is connected to 3G network
No Dual Sim Dual VoLTE.
Shame on you, Samsung. Half year old Huawei Mate 10 Pro is better choice.
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:good: Confirmed in Exynos : Only 1 SIM at a time for VOLTE while the other on 2G/3G . You can use either one of the Slots for VoLTE
jano7878 said:
Yea, I've just got my S9+ Exynos and I can confirm: when 1st SIM card is connected to LTE/VoLTE service, the second SIM card is connected to 3G network
No Dual Sim Dual VoLTE.
Shame on you, Samsung. Half year old Huawei Mate 10 Pro is better choice.
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Now we need to wait and see if the Snapdragon version can do it.
Another question, if you disable LTE on SIM 1, can SIM 2 then connect to LTE. Or do you have to swap the SIM cards over?
Crombi said:
Now we need to wait and see if the Snapdragon version can do it.
Another question, if you disable LTE on SIM 1, can SIM 2 then connect to LTE. Or do you have to swap the SIM cards over?
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US Snapdragon variant is a single SIM model
madnav said:
US Snapdragon variant is a single SIM model
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I thought there was going to be a Dual SIM Snapdragon too?
Just easy though - *#*#4636#*#* For switching your SIM on data to preferred band @esvlc @madnav @overgonas @jano7878 @Fenny @RossTeagan
v-b-n said:
1 sim can be primary at 4G/VoLTE and other can be only 3G/2G at that time.
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I second that.
I just received my S9+ (via renewal of my mobile contract) and received a dual sim one (check by inserting two sim cards, it does ask for both pins and let's me choose the sim card to use for calling), although it was never advertised as such.
However, it only shows LTE for the first one.
Considering that the dual-sim version is marketed as specific "Duos" devices, those might differ - but I wouldn't bet on it.
FrozenLord said:
I second that.
I just received my S9+ (via renewal of my mobile contract) and received a dual sim one (check by inserting two sim cards, it does ask for both pins and let's me choose the sim card to use for calling), although it was never advertised as such.
However, it only shows LTE for the first one.
Considering that the dual-sim version is marketed as specific "Duos" devices, those might differ - but I wouldn't bet on it.
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Can you chose which SIM accesses the LTE or is it only the Sim in slot 1 that can?
Crombi said:
Another question, if you disable LTE on SIM 1, can SIM 2 then connect to LTE. Or do you have to swap the SIM cards over?
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S8 already can do this. Don't think it's exception on s9
---------- Post added at 03:38 AM ---------- Previous post was at 03:36 AM ----------
Crombi said:
I thought there was going to be a Dual SIM Snapdragon too?
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China and Hong Kong S9 will be dual SIM SD variant.
kartrikpal said:
Just easy though - *#*#4636#*#* For switching your SIM on data to preferred band @esvlc @madnav @overgonas @jano7878 @Fenny @RossTeagan
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You can do that within settings itself.
Problem is not with switching Band of Data SIM; but having both SIM work at LTE simultaneously.
For those that have the S23U in North America, can you tell me if the phone will take two physical sims yet or do we only have on SIM slot and one eSim?
One and One
I'm not in US but it's same version worldwide. The sim tray has room for 2 nano sim. So you can have either 2 physical sims or 1 esim + 1 physical.
Hope this helps
My T-Mobile has ONE SIM card slot and ONE eSIM.
I converted my physical SIM to an eSIM without issue and have a normal SIM slot available.
Talderon said:
My T-Mobile has ONE SIM card slot and ONE eSIM.
I converted my physical SIM to an eSIM without issue and have a normal SIM slot available.
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Once the green SIM tray replacements are available in dual-SIM. I am going to order a couple and see if t he second slot actually works. The second IMEI is there, regardless of whether it is used for eSIM or dual-SIM. The DSDS apk is listed in system apps although I would like to get a hold of the DSDA apk to see if there would be a way to replace it through a custom ROM to enable dual active, even if it's just with one pSIM and one eSIM.
jcsww said:
Once the green SIM tray replacements are available in dual-SIM. I am going to order a couple and see if t he second slot actually works. The second IMEI is there, regardless of whether it is used for eSIM or dual-SIM. The DSDS apk is listed in system apps although I would like to get a hold of the DSDA apk to see if there would be a way to replace it through a custom ROM to enable dual active, even if it's just with one pSIM and one eSIM.
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Would be fantastic if we can use real dual SIM but I don't put it past Samsung to have made physical changes to the device to make sure we can't use it.
If not,
1.) Is there any other U.S phones that support dual active sims?
2.) Is it possible to combine 2 sims from say Verizon & Tmobile to load balance upload/download?
1. Yes I have a network unlocked s23u that has dual active sims. 1esim and 1 card and both work at the same time. I can be on the phone and receive a call on the other sim and I can switch between them. Heck I've combined them once in a conference call. (I use Google dialer and that's an option when you have calls at once)
2. What do you mean load balance? Like switch between them to keep your total data usage down on both? Manually you can kinda do that.
If you want dual physical SIMs on a US flagship, you need to get the OnePlus 11. It supports dual physical SIM while also still allowing you to disable the second physical SIM for eSIM if you wish. The S23 Ultra only supports 1 physical + 1 eSIM.
No, you can't combine data connections. The one that isn't set to default is disabled. There isn't a phone around that I'm aware of that can have two simultaneous active 5G data connections.