Skip to main content
New
Stack Overflow Jobs powered by Indeed: A job site that puts thousands of tech jobs at your fingertips (U.S. only). Search jobs
5 votes

How to distinguish between SIM cards in a Dual SIM phone?

The following process for installing and naming SIM cards in a Dual SIM phone helped me to identify SIMs clearly and quickly at all times. This refers to a use case when you want to use one SIM for ...
tanius's user avatar
  • 293
4 votes
Accepted

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

This post didn't get much attention, so I don't know if it's worth posting the answer, but I did find a solution. I didn't know when posting this that the solution is dependent on the version of ...
Schematic's user avatar
4 votes
Accepted

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

Enter download mode by powering down the device and then holding both VOL_DOWN and POWER to power it back up. It will boot to a screen saying hTC download mode. The 3rd line of the displayed info ...
Andy Yan's user avatar
  • 9,539
4 votes
Accepted

A universal way of changing the PIN code on a mobile SIM card

Is there a universal way to change the pin code on a SIM-card for a mobile/cell phone? Enter * * 04 * oldPIN * newPIN * newPIN # in the usual way that you dial a phone number (i.e. through the "...
user1686's user avatar
  • 261
3 votes

How to use two whatsapp accounts on one phone

Yes you can use two WhatsApp account in a single phone,and here is an alternate method. There are so many application using them you can use dual WhatsApp, and Parallel Space, simply install ...
Vijay Gupta's user avatar
3 votes

Dual active LTE + multipath tcp + VPN

Android's multipath TCP networking layer is only able to use WiFi and Cellular concurrently and can't use multiple of the same connections at once (as far as I know). However. You can use a mobile ...
Selene Blok's user avatar
3 votes

In a dual sim phone, must both sims be used?

You won't have any problems if you insert only one SIM into dual SIM phone, i have dual sim phone myself with only one SIM in it and it work without any problem. Phone will work even you don't have ...
Једноруки Крстивоје's user avatar
3 votes
Accepted

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

Requires Rooted Device, Xposed framework installed, latest version of GravityBox Xposed module and an automation app - I use Macrodroid Create a macro in Macrodroid Trigger: Application Launched &...
beeshyams's user avatar
  • 41.1k
3 votes
Accepted

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? No. Android doesn't offer such provisions. Pixel 3a line ...
beeshyams's user avatar
  • 41.1k
3 votes
Accepted

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

Going by your problem I suspected that your device is Dual SIM Dual Standby, which was confirmed by GSM Arena. What this means is that you can use only one SIM at a time be it for data or voice ...
beeshyams's user avatar
  • 41.1k
3 votes
Accepted

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

GSM Arena says your phone has SIMs in DSDS mode To achieve what you want you need a phone with SIMs in DSDA mode See What is the difference between dual sim active and dual sim stand-by? So, sorry, ...
beeshyams's user avatar
  • 41.1k
3 votes

How to disconnect SIM from network on schedule

Here's a community favorite: Tasker! It is very straightforward to set up a profile to exist that is triggered based on a day of the week and time, as you specified. Disabling the SIM appears to be ...
jlehenbauer's user avatar
2 votes

Inserting Single SIM Card into a Dual SIM Phone

You can insert only one SIM and work fine . See this In a dual sim phone, must both sims be used? By just inserting second SIM battery won't drain extra. If at all there is any battery drain, it would ...
beeshyams's user avatar
  • 41.1k
2 votes

Dual active LTE + multipath tcp + VPN

I would suggest the best solution is speedify for the original poster as this service enables multiple internet connections, including LTE/4G, 3G, Wifi etc to be combined. The original question ...
therobyouknow's user avatar
2 votes

Dual active LTE + multipath tcp + VPN

Google's Project Fi is a carrier tailor-made for traveling so you don't need an additional hotspot. It's basically what you're describing above. Fi is less expensive than almost any other US carrier ...
owlswipe's user avatar
  • 1,068
2 votes
Accepted

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

In Android > Wifi & Internet > SIM & network, Enable both SIM1 and SIM2. Set 'default SIM for mobile data' to SIM2. Apparently Viber needs to see old SIM1 as well, to verify it ...
smci's user avatar
  • 155
2 votes
Accepted

How to insert 2 SIM cards on Ulefone Armor 9?

A hybrid dual SIM slot is a technology that offers both features of a SIM card and a MicroSD card. The hybrid dual SIM slot also means the OEM provided just two spaces instead of the traditional three ...
Douville Scoty's user avatar
2 votes

Can I install an uncertified eSIM profile provisioned by myself on Android?

In order for your handset to establish secure communications with the SM-DP+ and then download and install a eSIM profile, the SM-DP+ will require 3 certificates signed by the GSMA's certificate ...
Ron McLeod's user avatar
1 vote

Dual SIM sound, vibration and notification settings

Go to setting / sound and notification / General / phone ringtone. Select second sim card / select ring tone. Now you need to add ringtone with no sound. You can modify existing ring tone to no sound. ...
aliz lopaz's user avatar
1 vote
Accepted

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

First off, you unfortunately can't get an S9/S9+ in the US that supports dual SIMs. Theoretically, you could import a European model to get that, but don't—compatibility with US carriers (especially ...
owlswipe's user avatar
  • 1,068
1 vote

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

Caveats OP is willing to reject unknown numbers in weekends They have their office contacts and private labeled in their address book Only office people call on office SIM , they are not aware of ...
beeshyams's user avatar
  • 41.1k
1 vote

Wrong phone number for contacts are shown and called

This issue is because of WhatsApp. After their latest update (4th Dec) these problems have surged. Easiest solution is to backup whatsapp and uninstall it. Then reinstall > restore your old chats.
prateek tiwari's user avatar
1 vote

Lollipop update on MotoG causing no service for sim card

I have a phone with the same symptoms, this worked for me, but the problem still reoccurs so I'm trying to find a better answer. http://www.thecellguide.com/moto-g-noservice.php In brief: Go into ...
Jason Capriotti's user avatar
1 vote

Dual SIM: Disable telephony features on second SIM

You can achieve this by applying call barring on the SIM. Although I know this is a different Andriod version, I am sure you will find something similar to this on my OnePlus 2. Phone app > ...
Niel de Wet's user avatar
1 vote
Accepted

"Sim Empty" and cannot make calls after upgrade

I am in exactly the same situation, Wileyfox upgrade to Nougat, and have not found a good fix. However what has worked (to a point) is as below: Turn off remove sims and battery for at least 5mins ...
Pantal00ns's user avatar
1 vote
Accepted

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

If you didn't used your card as internal storage using adoptable storage feature or apps like link2sd than you shouldn't worry about anything, you just pull out card. But if your photos, and some ...
Једноруки Крстивоје's user avatar
1 vote
Accepted

Tasker/IFTTT - Dual SIM missed call auto sms respond

Automate has dual SIM support, i.e. Subscription id in the Call incoming and SMS send blocks.
ballzak's user avatar
  • 484
1 vote

No Internet using dual sim as mobile hotspot

It's an android problem and there is an easy fix. Connect to the 2nd sim start the hotspot then you will be connected but without internet. Now let the hotspot running and switch off data and on again....
Akki's user avatar
  • 11
1 vote

No Internet using dual sim as mobile hotspot

I have the same issue. My phone is now three years old and the problem remains even after upgrading from kitkat to lolipop. From allbthe tests I did it's an Android issue. If I remove the SIM where ...
tneiva's user avatar
  • 11
1 vote

No Internet using dual sim as mobile hotspot

Solution 2: Please Run "ipconfig" command in your Command Prompt. After running command you can find information's like "IPv4 Address", "Default Gateway", Subnet Mask, etc. Use those values in ...
Sreerag S Kumar's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible