Hi Mike,

The phones have one eSim and one regular Sim card, so you can still switch Sims 
as necessary on your primary phone line.

HTH,
Anna




> On Sep 30, 2018, at 1:06 PM, Mike Arrigo <[email protected]> wrote:
> 
> I think there is one major disadvantage to the idea of a phone using an ESIM 
> compared to an actual hardware SIM card, perhaps this is addressed in the 
> standard, but if so it has not been mentioned.
> One major benefit of using sim cards is that you can have more than one phone 
> and transfer your account to that phone by simply inserting your SIM in to 
> that phone. I think this has always been a major advantage of the GSM system, 
> and this system has moved on to 3G UMTS and now to LTE. With CDMA networks, 
> the account is tied to the serial number of the phone you are using, if you 
> want to switch phones, you must deactivate the current phone and activate the 
> new one. Unless I am missing something, if phones use ESIM exclusively the 
> same thing would happen. I switch between my iphone 8 and iphone SE, there 
> are times when I prefer to have a smaller phone in my pocket. I'm wonering if 
> the ESIM standard allows you to have more than one phone associated with your 
> account. If not, than I would consider ESIM to be a step backward because you 
> can no longer switch phones whenever you want, at least not nearly as easily. 
> This is one reason why the GSM system has always been more flexible, unless I 
> am missing something, it seems like the ESIM idea is much less flexible.
> 
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