What can I do if activation fails?
Occasionally, activation and use of BankID on mobile fail. You get support from your bank, but please try these tricks that have helped many.
Turn off 4G
Turn off screen saver
Turn off 4G/wifi talk
Exit all running apps
Simply remove the SIM card from the phone and reinsert it
Insert SIM into another phone and activate. Then move the SIM card back to your own phone.