Android @lemdro.id ijeff @lemdro.id 1 yr. ago

Android could fix a big problem for dual SIM users - Android Police

www.androidpolice.com Android could fix a big problem for dual SIM users

Vanilla Android may learn a data SIM switching trick from other popular Android ROMs

23 comments

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- It's actually great for traveling. You can buy a travel eSIM from wherever and have it activated right away.
  
  That's my use case as well.
  
  Just find a carrier you like for the country you're traveling to, download the eSIM, and you're ready to go.
  
  All while keeping the physical SIM card of my regular, domestic carrier in the SIM card slot.
  
  This simple issue was a major hassle before eSIM cards existed, and now it's the easiest, most convenient thing in the world.
  
  alternatively, what I've done is move my US carrier to an eSIM and then get a super cheap physical SIM in whatever country I'm going to. You can also do dual eSIM these days, so really leaving your primary carrier as an eSIM is the way to go for maximum flexibility
- If you're from the US, you're probably burnt by your mobile providers. I don't believe I've heard any horror stories about esim in my country and our neighbors (except for the fact that you still have to pay $3-5 to switch to "esim", as if you are getting something besides a string of numbers)
  
  Here is my use case: 0. I have a device with 1 sim slot
  
  I have my main physical SIM-card with a known number (relatives, work partners etc). I have some data there as well. This is my "daily driver"
  
  I have a separate e-sim with an "unknown" number that I use for sms-verification things for web services. It also has some dirt cheap data (but the coverage is not great).
  
  At least on Pixel phones you can have a physical and e-sim card both active at the same time, and you can choose, for example, "sms and calls default to 1, mobile data default to 2". There is an option to "switch to another sim for data, if the signal is bad. (There are talks about simultaneously active several e-sims, but it's not here yet)
  
  Even if you discard a security angle (sms verification should not be a known number - "restore sim" attack is quite common for a targeted action), a lot of people can benefit from "1st physical sim has great calls plan/ coverage, 2nd sim has cheap internet"
  
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- I would love two separate numbers for work vs personal and not have to deal with two separate phones.
- Sims die from time to time and if you travel is nice to be able to switch to country specific sims without having to exchange something physical.
  
  That said not sure what app thing you talk about, mine is a qr you can scan and gets added to the phone and that's it.
  
  But is the QR reusable? If not, you'll have to somehow prove your identity or existing number ownership to get a new one.
- @skullgiver @ijeff people like eSIM because it allows multiple networks on phones that only have one physical slot; which nowadays, in my experience, is all except some cheap Xiaomis that have a microSD slot that doubles as dual SIM.
- On modern phones you don't even have to switch carriers. You can have multiple lines on a single phone and use them at the same time. Ie I can use one phone to text from my work number and my personal number at the same time. Or if you live/work near a country border you can text/call/data from either line at the same time.
- For me, just one word. Plastic.
- I have 2 sims in my phone. One physical and one esim.
  
  Also my girlfriend recently traveled and used her esim slot to buy a data plan to the country she was going to via an app. Took 2 minutes, cost $8, and she had data the entire time, with the ability to use her number to receive calls and texts like normal.
- I always have two sim cards (one typically eSIM) active.
Also it's not easy to transfer esim between android and iphone.
Oneui already allows you to quickly change the default calling, message, and data sim from the notification shade. I guess it goes to show how far behind AOSP is in general.
- My old OnePlus 6 from 2018 also had that quick toggle. I used to be a big fan of upstream Android back in the day, but One UI is vastly superior nowadays. I find this ironic, given how bad TouchWiz used to be...
  
  My thoughts exactly. Everyone remembered touchwiz for being bloated slow sluggish UI. Good thing they listened to feedback and made a U turn. I appreciate that about them.
- Enjoying my S21 Ultra. AOSP (and its 'clean' variants) is overrated.

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