I can't log in on a new iPad to sync
When attempting to login to Firefox on a new-to-me iPad, the QR pairing to desktop method fails. When I try to login using email, it fails before taking me to the password entry page. It says "unexpected error".
I'm not using a VPN.
I'm using mac OS 15.7.5 and iOS 12.5.8.
I have pairing on my iPhone and it works well.
Opaite Mbohovái (1)
I'm not sure iOS 12.5.8 will be able to run any recent version of Firefox from the past several years, so chances are you'll be on an unsupported version from half a decade ago which might not be able to connect to the current account system.
If you look for your Firefox iOS version in settings, or visit https://www.whatsmybrowser.org/ using that browser and posting here the shortcode it tells you in the blue header?