If you see "Invalid authenticator code" when trying to log in.
We suggest troubleshooting the authenticator app, as time or app settings can result in this error.
Update and restart
Update the authenticator app to the latest version.
Restart the phone to clear background issues.
Check time synchronization
Authenticator codes rely on exact time.
Make sure time zones are correct.
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Ensure the phone’s time is set to automatic / network-provided time.
On iPhone: Settings -> General -> Date & Time -> turn on "Set Automatically."
On Android: Settings -> System -> Date & time -> turn on "Set time automatically".
Clear app cache (if Android)
Sometimes clearing app data/cache helps without full reinstall.
Check phone settings
Ensure no “battery saver” or “background restrictions” are blocking the authenticator app.
Make sure the phone is not running in airplane mode when generating codes.
Confirm code type
Ensure the token is time-based (TOTP), not counter-based (HOTP). Some services allow both.
If you are still stuck, please comment the steps you did on this list and tell us where you got blocked sharing to info@oekotex.com.