Originally Posted by
der_saeufer
Either way, the old SIM stays live for a few hours and gets a ton of texts confirming the SIM swap and telling you how to cancel it.
T-Mobile US now does something similar. The old SIM, physical or eSIM, receives a text message, and the SIM transfer will not happen without a reply to confirm from the old SIM.
I imagine most of us using eSIMs featured on this thread are for the most part not doing SMS-based 2FA with the eSIMs.