Absolutely! See last few comments in:
https://community.visible.com/t5/Feedback/Visible-Please-add-2FA-Two-Factor-Authentication/idi-p/19423.
This is also a prepaid service where it is not that uncommon to let the
service expire sometimes if/as neede...
This is an extremely botched attempt at 2FA. Couple of things: 1. 2FA
should not be mandatory, it should be an option and up to the user. 2.
Even IF (BIG IF) 2FA is wanted, SMS should not be the only way to
receive codes. Email/Apps should be an opti...