Questions tagged [dual-sim]

For questions about dual-sim phones (Phone with two sim card slots)

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21 views

How to forbid a dual-SIM system from using mobile data on one SIM?

I set the SIM card for mobile data like this: And it works most of the time. This SIM is Austrian and I spend most of my time in Austria. However, when I venture into Slovakia — the country of the ...
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15 views

Is there a way to force the second SIM to 4G?

My phone is Samsung M12, I want to know if I can switch the SIM 2 into 4G only. I know I can easily download 4G-only apps from Play store, but they work for the first SIM only. I need to force my ...
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30 views

Dual SIM phone: Disable/Enable SIM card on Airplane Mode

I have a Samsung M32 (current Android version: 11, Knox version: 3.7). I'm using dual SIMs, 1 for homeland and 1 for the overseas. I want to ENABLE the overseas SIM and DISABLE the homeland SIM when I ...
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29 views

ADB cannot accurately read IMEI 1 and 2

There are two OPPO phones, model PEAM00 and PEMM20 running Android 11. ADB cannot accurately read IMEI 1 and 2, only MEID. Tried the following command, but it doesn't work, only MEID is returned. adb ...
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24 views

How can I restore the functionality of Dual SIM slots?

I am using Realme 8 that supports dual SIM. Suddenly, today in the phone info setting, I cannot find the "Phone 1" option. Generally, there are 2 options: "Phone 0" and "Phone ...
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1answer
59 views

Make a phone call in one SIM and simultaneously browse with the other

I have a Samsung Galaxy S10e SM-G970F that I'd like to use for phone calls and simultaneously as an hotspot (WiFi tethering) to browse from my laptop. The phone has 2 sim cards. I'm unable to make a ...
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38 views

Sim card manager - Mobile Data sim card assignment not persistent

I am using Samsung A50, which is dual sim. In the Sim card manager I set my SIM 1 to be the one for Mobile Data, but every time I reboot the device, the setting gets reset back to SIM 2, and so I need ...
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28 views

Merge back SD card to internal memory to use 2 SIMs

Samsung phones like the Galaxy Note 9 claim to have a 'dual SIM' capability, but that means that the SD Card slot cannot be used any more. While zillions of articles explain how to move data from ...
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227 views

Programming an Android application to switch default SIM for mobile Data

I am working on a project in which I have to switch the default SIM for data automatically, and without the need for user intervention. I read some posts on internet and got to know a method in which ...
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37 views

Double SIM hotspot WiFi problem

I use a dual-SIM on my Asus Zenfone Max Pro (M1) running on Android 9 to have data from an Italian and a German operator at the same time. It works fine on the phone, but I noticed that when I use it ...
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15 views

Dual sim phone, one with data, one without. How does the usage work when browsing on the mobile network

So my situation is that we have two sims, one personal one business. There's no data on the business one now but can the Android phone (OnePLus Nord N10) be setup to cover in any situation that the ...
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42 views

Samsung S10 phone: How to move a contact from first to second SIM card?

For a Samsung S10 Android phone that has dual SIM cards, how can I move a contact saved on SIM card 1 to SIM card 2? Clicking on the contact itself using Samsung's address book gives no indication of ...
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2answers
873 views

How to insert 2 sim cards on ulefone armor 9

I have the ulefone armor 9. It states it has a Hybrid Dual SIM (Nano-SIM, dual stand-by). In the settings it seems it says there are 2 slots for sim cards. But for the life of me I cannot figure out ...
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1answer
316 views

Can't use mobile data on non-default sim, even if inactive when the second sim is open call

I'm using OnePlus 7T with dual sim. Sim #1 is my default sim, and Sim #2 is a data sim which I'm using only for mobile data. Obviously, I've defined Sim #1 to be the default sim for calls and sms, and ...
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0answers
47 views

Filtering/hiding all SMS based on recipient number

I'm looking for a possibility to hide all SMS sent to a certain number in a dual sim environment. I have number A and number B and I would like to see only SMS for number B, num
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1answer
126 views

If using dual sim on Huawei P20 Pro would changing sims show in either Google Activity or Huawei Data Download

I have a Huawei P20 Pro with dual sim capability. If I used (signed into) the second sim with another Google account, would My Google Activity on the Google account of the first sim show the switch, ...
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1answer
6k views

How to use mobile data (hotspot) and calls at the same time?

I have a Huawei Honor 8X running Android 9 and it is pretty new - probably a year or so old. I am currently running it dual-SIM - one for my telephone number and one for mobile data. I am doing this ...
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1answer
4k views

Does Android auto-switch between SIMs for data on dual-SIM phones when one of the SIMs has poor reception?

If you're using the internet on the phone, does Android auto-switch between SIMs on dual-SIM phones when one of the SIMs has poor reception? https://honestmobile.co.uk/ seem to think some phones do ...
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0answers
43 views

Append code before phone number if call is made from SIM2

I've been trying to find a way to do this for weeks now but I just can't seem to find a solution. In my phone (Huawei Nova 3) I have two SIM cards, private (SIM1) and work (SIM2). SIM2 has a ...
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1answer
122 views

Dual Sim Oppo Reno Z - not receiving notification of voice messages or calls on 2nd sim

I use vodafone as my 2nd sim and Optus as my 1st. I'm not receiving any notification that I have a voice message on my 2nd sim. I also don't receive a notification that someone called on the 2nd sim. ...
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1answer
220 views

Using mobile data on sim card 1 and sim card 2 for calls and messages?

Can I use both sim cards in order to use internet and handling calls? For example, while browsing on the internet on sim card 1, can I get calls to sim card 2 and also call to somebody else?
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1answer
220 views

How to disable Enter SIM card PIN window under Android 9?

hello see the picture. I took my smartphone with me and the battery was empty. When I recharged the device I got this typical SIM card message. Enter the PIN. but unfortunately I didn't know the PIN ...
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2answers
1k views

Dual phone SIM card - how to disable both SIM's

I've a dual phone SIM card (Pocophone). How can I to disable both SIM's without power down everything?
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1answer
62 views

How to use 2 sim cards & SD Card?

I have xiaomi redmi note 5 pro, and the sim tray has a hybrid configuration, Either using 2 sim cards or 1 sim and one micro sd card. Is it anyway to use 2 sim cards and a micro SD card in the same ...
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1answer
892 views

How do I change phone number in Viber from SIM1 to SIM2, when I only have data on SIM2?

How do I change Viber phone number in a dual-SIM phone from SIM1 to SIM2, when my current Viber account's phone number corresponds to SIM1, but I only have data on SIM2? (e.g. when I have moved to a ...
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1answer
2k views

Dual SIM sound, vibration and notification settings

I have a Huawei P20 Pro. This might be a quirk with their software, but I thought I should ask either way. Let's say you have two phones with two numbers. One is your private phone and one is your ...
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1answer
2k views

Can I change which SIM a phone is using for its LTE interface using ADB?

I have a set of phones that have dual SIM cards. What I would like to do is have them connected to one network using SIM card 1, run some test, disconnect from the network, then have them connect to a ...
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0answers
344 views

Determining which app keeps asking me to choose a SIM card

I have a dual-SIM version of Sony Xperia XZ Premium (G8142) running Android 9. In my "Dual SIM" settings I have explicitly asked the phone to use one of the two SIM cards for "Cellular Data", "Calls" ...
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0answers
60 views

Detecting a Bad File

I have an LG STYLUS 3 phone and suspect that it may be remotely controlled or linked to another person. What do I look for to know whats up?
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45 views

How can I prevent bogus one-letter empty contacts from appearing in a dual sim phone?

I have a dual SIM phone and my address books keeps getting populated by these empty bogus one-letter contacts that are shown as being read from the second SIM, see picture:[ If I delete them, after ...
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0answers
1k views

Automatically disable SIM 2 while SIM 1 has signal?

Is it possible (via Tasker or otherwise) to automatically disable a SIM when the other one has a signal, and to similarly re-enable it once the other loses signal?
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1answer
5k views

How to enable Do Not Disturb for 1 SIM only in a Dual SIM phone?

I have a rooted OnePlus 2 running LineageOS 14 latest. How can I enable the Do Not Disturb feature for just my personal SIM card, without also enabling it for my work SIM card? Specifically, I'd like ...
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0answers
1k views

Dual SIM: is it possible to have two Android user accounts each using one SIM

I am planning to purchase a dual-SIM Android smartphone to use it with two user accounts, completely separated. To clarify: user account One would receive all calls, SMS etc. to SIM card 1 and user ...
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1answer
589 views

Dual sim phone - work / private how does it work?

I have a work and a private phone which can be a bit annoying at times carrying them both around. I like to keep them both separate so i can turn the work one off when on holiday etc to avoid the ...
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1answer
1k views

Can the Verizon Samsung Galaxy S9+ also run T-Mobile?

(This question does not apply to the unlocked version - it applies to the Verizon version specifically) Is the Verizon Galaxy S9 Plus able to also run T-Mobile using its dual sim feature, or is that ...
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0answers
376 views

Combining two single sim phones (backup) into one dual sim phone

Is there any method of combining the Android backups from two mobile phones when I move from two single sim phones to a dual sim phone? I have a Samsung Galaxy S4 running my UK contract SIM, and a ...
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0answers
773 views

Dual sim unlocked Galaxy S9 - is it able to run Verizon AND T-Mobile simultaneously?

The Galaxy S9+ supports dual sim cards. If buying an unlocked one, can it have both Verizon and T-Mobile running on it at once? Also, if so, how does it know which one to use for data like if ...
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1answer
10k views

Method to block calls on dual SIM and block notifications from some apps (scheduled)

I recently got a Motorola G5S Smartphone with Android 7.1.1 with Dual SIM. One SIM is work-related, the other private. Also, every App on my phone is either work-related or private. I'm searching for ...
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1answer
1k views

HTC U Ultra: Can I use dual SIM on this device?

There seem to exist different versions of the phone. I can insert 2 nano SIM cards in the device but how to activate the second one? There is no enter PIN dialog popping up. On YouTube I saw an ...
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1answer
246 views

S7 Edge second sim disappears randomly

I've got a dual-sim Galaxy S7 Edge (SM-G935FD) this spring and everything was fine until a week ago my second SIM started to disappear randomly. Basically I wake up the phone after a while and I see ...
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2answers
4k views

Huawei P8 with or without dual sim?

I found out that Huawei P8 (not lite, not plus) supports dual sim, when I can insert only 1 sim and 1 sd, without possibility to swich sd for second sim. I tried micro and nano sim and none fits to sd ...
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1answer
5k views

Wrong phone number for contacts are shown and called

I have a problem with the app 'Contacts' on my Android 7.1 Nougat (Wilefox Swift 2x). In this app both phone numbers from my google account and from whatsapp are synchronized. Sometimes the app ...
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1answer
3k views

Dual SIM device : How to configure data usage on per app basis (Rooted device)

My Moto X Play (6.0.1, rooted, Xposed installed ) has dual SIM options, which I usually don't use. Recently, I had a need to use two SIMs, borrowed one with generous data allowance and second (...
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0answers
721 views

DualSim: Select Data SIM for each app

I'm wondering if with a DualSim smartphone with Android can be a made a customization like: "for this app use data of SIM1, for this app use data of SIM2". On one of the 2 SIMs I have, there is a ...
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1answer
2k views

Inserting Single SIM Card into a Dual SIM Phone

I understand phones having Dual SIM card slots use more battery. However, if we use only one SIM in a dual SIM Phone, will the battery still be drained out quickly? What If i choose not to use/insert ...
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1answer
603 views

"Sim Empty" and cannot make calls after upgrade

I have a WileyFox Swift which I recently updated to Nougat. Wileyfox runs Cyanogen natively. I have not rooted it or hacked it in any way. I installed the update by clicking on a reminder that kept ...
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1answer
73 views

What's the recommended procedure when you need to stop using the SD Card?

I have a ASUS Zenfone ZE520KL which has a hybrid card slot. I've been using one SIM card and one SD card for some months and now I need to use two SIM cards. I need to stop using the SD card so I ...
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1answer
2k views

Tasker/IFTTT - Dual SIM missed call auto sms respond

Is it possible to create a script that send sms automatically when there is missed/declined call but send them based on which SIM the call was missed? For example i miss a call that was going onto ...
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0answers
688 views

Is there a way on a DUAL SIM Android phone to configure on a per-app basis, which app uses which sim card to access internet?

Let's say, I have two SIM cards, the first one has an unlimited but slow 3G internet connection, the other SIM has a very fast LTE Internet connection with limited data volume. So I would use the ...
3
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4answers
11k views

No Internet using dual sim as mobile hotspot

My phone has two sims both with large data caps that I'd like to use. I use my phone as a wireless access point for my laptop. To switch between SIM 1/2 for data, I have to go to settings-->...