tech
I switched to eSIM in 2025, and I am full of regret
Swapping SIM cards used to be easy, and then came eSIM.

TL;DR
- Physical SIM cards are being replaced by eSIMs in newer smartphone models.
- eSIMs save space within devices, allowing for other components or slightly larger batteries.
- The author experienced significant issues transferring eSIMs, leading to being locked out of their phone and account.
- Carrier verification processes, often relying on SMS codes, are problematic when a SIM is not functioning.
- Physical SIM cards are presented as more reliable and easier to manage than eSIMs.
- The reliance on SMS for multi-factor authentication is criticized as a weak point, especially with the rise of eSIMs.
- Google's Fi service is highlighted as an example of a better eSIM implementation using Google account security.
- The trade-off of giving up physical SIMs for potential minor battery improvements is questioned.