not particularly exceptional android smartphone with aegis authenticator from f-droid installed to 2fa.
I authenticated and logged in but my device kept receiving codes every 15 seconds 'till I stopped aegis.
Is this normal? Seems like a waste of battery.
By default, according to the RFC 6238 standard, they are generated every 30 seconds. But this time step can manually set to faster intervals. However faster as 30 seconds is not very user friendly. RFC 6238