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Re: Classic BlackBerry phones will stop working January 4 [telecom]

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On 1/2/2022 13:06, Sean Murphy wrote:
> By Samantha Murphy Kelly
>
> (CNN)You soon won't be able to use that old BlackBerry phone sitting
> at the bottom of your drawer somewhere.
>
> Starting Tuesday, January 4, the company will stop running support for
> its classic devices running BlackBerry 10, 7.1 OS and earlier. This
> means all of its older devices not running on Android software will no
> longer be able to use data, send text messages, access the internet or
> make calls, even to 911.
>
> https://www.cnn.com/2022/01/01/tech/blackberry-end-of-life/index.html

I've read through that article, but I still do not understand the 
technical aspects of it.  For instance: I have a Nokia 3390 from 2001 
here.  It's a 2G only phone, but if I pop the SIM card from my current 
phone (T-Mobile) into it, it still receives calls and text messages, 
almost 21 years later.

I don't understand how "stopping support" can make the basic functions 
of the phone cease to work.  Do the cellular signals to/from the phone 
some how relay through Blackberry's data servers?  One would think that 
calls/texts/data would be direct signals from your wireless carrier to 
your phone.

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Thread

Classic BlackBerry phones will stop working January 4 [telecom] Sean Murphy <murphy.s@telecomdigest.net> - 2022-01-02 18:06 +0000
  Re: Classic BlackBerry phones will stop working January 4 [telecom] "Michael Trew" <michael.trew@att.net> - 2022-01-03 11:45 -0500
  Re: Classic BlackBerry phones will stop working January 4 [telecom] "Marco Moock" <mo01@posteo.de> - 2022-01-03 20:45 +0100

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