From the EOL FAQ[1]:

> Will BlackBerry Android devices still work after EOL date?

> BlackBerry Android devices will not be impacted by the EOL of infrastructure services unless they are receiving redirected email sent to a BlackBerry hosted email address, or assigned an Enhanced Sim Based License (ESBL) or Identity Based License (IBL). ...

[1] https://www.blackberry.com/us/en/support/devices/end-of-life