tech
December 29, 2025
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
- SIM cards are being phased out in favor of eSIMs to save space in mobile devices.
- eSIMs are programmable, non-removable components that store subscriber information digitally.
- Apple was an early adopter, making its iPhone 14 series eSIM-only for US models.
- Google's Pixel 10 series also adopts eSIM for US models, though the author notes no significant space or component increase.
- The author experienced multiple instances where eSIM transfers failed, resulting in loss of phone service.
- Troubleshooting eSIM issues is complicated by the reliance on SMS for account verification, which is impossible without a working SIM.
- This reliance on SMS for authentication poses a risk to digital life beyond just phone access.
- The author suggests alternative, more secure account verification methods are needed to replace SMS for eSIM glitches.
- Google's Fi service is cited as an example of a better system, using Google account security for eSIM downloads.
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