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z3 dual not dual active

Got a z3 dual. Was primarily interested with this because they said it was dual active and many users posted that when other sim is active for call the other sim is still open for data,sms and other stuff. Meaning it has 2 active lines but i am experiencing otherwise. When i received a call the other sim is inactive, there is an hoir glass symbol and when i tried texting by the other sim it just won't send because it's inactive. Who has a z3 dual here that can verify as well
Edit: here are pic of the signal bar while on call

How to use 2nd sim in S7 single sim model ?

So pretty straight forward
I have the s7 singlem sim version
Can i modified the sim so that it can fit and read the sim?

Sorry, you can't. Single SIM variant doesn't have the necessary hardware to operate a second SIM (even though the software side of it supports it). You's have to get a Duos version to use the second SIM, however after reading reports of high battery drain, I'd rather stick with a single SIM.

Single SIM variation doesn't have the essential equipment to work a second SIM You's need to get a Duos variant to utilize the second SIM, however in the wake of perusing reports of high battery channel, I'd rather stay with a solitary SIM.

Okay then, case closed

Dual SIM

Hi
I have been searching alot about this topic, and all that i gathered is that the oneplus 6 is dual standby phone. This means that when on a call on SIM 1, then you are unreachable on SIM 2. I'm not talking about volte, but on GSM.
Also this means when I'm on a call on any SIM, the data shuts off unless I'm in area with duplex gsm channel then data drops back to H. (As per my friend who works in the teleco company here, cuz sometimes and in some areas when I'm on a call, the data doesn't drop back to H but rather completely shuts and in some areas and some times it drops back to H)
As per my reading, this happens because the oneplus 6 utilises the x16 chip which has a single antenna.
Here is where my confusion, i tried an out going call from SIM 1, put the call on hold, dial another number on SIM 2, conference the calls, Viola, it works. This means that i can use both SIMs actively.
Please someone shed some more light on this.
Note, I'm using 2 separate SIMs but from the same operator.
Also, im on the Android p beta 1 rom but have been able to do this on the previous OTAs also.
Cheers

Op6 is dual standby not dual active that means when you call from sim 1 sim 2 is inactive and vice versa.
I don't know which phone support dual active.

vikasb32 said:
Op6 is dual standby not dual active that means when you call from sim 1 sim 2 is inactive and vice versa.
I don't know which phone support dual active.
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Hi
Try calling from SIM 1, hold the call, dial another number from SIM 2, conference the calls, you will see that the conference works, here is where i get confused because everyone says it's dual standby, so conferencing the calls shouldn't work

hubono said:
Hi
Try calling from SIM 1, hold the call, dial another number from SIM 2, conference the calls, you will see that the conference works, here is where i get confused because everyone says it's dual standby, so conferencing the calls shouldn't work
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I think i figured out what's going on, when placing the second call, although I'm telling the phone to dial from SIM 2 it dials from SIM 1. so both calls are originating from SIM 1.
Cheers

hubono said:
I think i figured out what's going on, when placing the second call, although I'm telling the phone to dial from SIM 2 it dials from SIM 1. so both calls are originating from SIM 1.
Cheers
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Def possible.
If I'm on a call on the first SIM, I can't even send a text message out on the 2nd.

Best options for 2 lines

Hi everybody.
I hope someone can help me because I've been researching for months and I'm running out of options.
First, I need to have 2 lines active at any moment, one local and another from a foreign country, in roaming. Most of the available phones are dual standby, what means that when you get a call in one SIM the other one is disconnected. That's not good enough, because I need to know if someone calls me to the foreign number while I'm talking in the local number.
When both numbers are from the same country, some people configures call forwarding from one SIM to the other. That way, if one SIM is unavailable, you get the call in the other. But having 2 numbers from 2 different countries that solution causes more expenses, the call forward is an international call...
So I've been working with a dual active smartphone: a Huawei Honor 8, one of the last ones with 2 antennas. It's been working good, but the second antenna is only 2G, and 2G is being disabled in some places as 5G arrives. I totally understand that, it has to die as 1G died before. But it causes me a lot of communication issues.
Some options I've been looking for:
- A dual active smartphone with 3G in the second antenna. But I don't find any new dual active smartphones manufactured in the last 3 years...
- I read a lot about 4G dual VoLTE, but it seems to be dual standby. It seems that, during a call, it uses VoLTE to forward calls to the disconnected SIM over the 4G data connection in the enabled SIM, but I'm not sure if this will work with SIMs from different countries -although both providers support VoLTE.
- An external device that gives my phone a second SIM -like PIECE in Kickstarter, that never delivered-.
- A second dumbphone with the foreign SIM, only for getting calls, very long batter duration. But the options seem to be very few, and less 3G/4G...
So I'm running out of ideas. Do you know any modern dual active smartphone with 3G in the secondary SIM? Do you know if VoLTE works for call forward with SIMs from different countries? Do you have any suggestion of a good reliable dumbphone for the second line? Do you have any other solution I didn't think aboyt? Please please, help. I really appreciate it.
L.

Dual SIM Standby or Active?

So everything I've read indicates that the 7 Pro is Dual SIM Standby. However a rep at OnePlus assured me that it is Dual SIM Active and couldn't figure out why I couldn't send or receive MMS messages from either SIM no matter which one was set to active. He escalated my case to the higher tech support to try to resolve. Is he indeed wrong or is the 7 Pro really Dual SIM Active? And if he is wrong and the device is Dual SIM Standby, is there a firmware or kernel mod that will enable both SIMs active?

treetolber said:
So everything I've read indicates that the 7 Pro is Dual SIM Standby. However a rep at OnePlus assured me that it is Dual SIM Active and couldn't figure out why I couldn't send or receive MMS messages from either SIM no matter which one was set to active. He escalated my case to the higher tech support to try to resolve. Is he indeed wrong or is the 7 Pro really Dual SIM Active? And if he is wrong and the device is Dual SIM Standby, is there a firmware or kernel mod that will enable both SIMs active?
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Click to collapse
It's dual SIM standby