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Saily/SIM thoughts
(lemmy.world)
Privacy has become a very important issue in modern society, with companies and governments constantly abusing their power, more and more people are waking up to the importance of digital privacy.
In this community everyone is welcome to post links and discuss topics related to privacy.
much thanks to @gary_host_laptop for the logo design :)
From: https://support.saily.com/hc/en-us/articles/15751399206172-How-do-I-install-the-Saily-eSIM-on-my-device#Android-Manual
It seems you could install it on different device then. There's also "share eSIM to other person", which likely too just shows a QR code.
I don't know about Saily, but I doubt they would want ID. At least for data-only SIMs, if they do offer ones with phone number.
I did a similar thing with a different eSIM provider when I was concerned about privacy, though eventually I did put it on my phone.

I don't know what else to use on Linux to get disposable Android containers.
Anyway, while it is not related to privacy, they also seem quite expensive. At least for Europe. I don't know where you're going. I've used BNESIM, which funnily is cheaper than local SIMs for small data amounts (like 1 or 3GB), especially with SIMs without expiration. That can be used without app for sure, but I've had to use non-blocking DNS.
Anyway, whatever you choose, use virtual payment cards. Something like privacy.com. There's a ton of eSIM providers and I am sure they're not all super safe and legit. My bank provides those thankfully.