Two-factor authentication Can I install the same authentication app on more than one device? Home Service & support Frequently Asked Questions (FAQ) MyEPO services Get Access – EPO Account Two-factor authentication Can I install the same authentication app on more than one device? Facebook X Linkedin Email Can I install the same authentication app on more than one device? You can install one supported authentication app and link it to your EPO account per device. Category Two-factor authentication Go to FAQ overview