on 04-01-2021 10:41
Lithuania is in our Europe zone so it should work well on Pay monthly or PAYG.
You could try manually searching for another network. If that doesn't work you probably have a roaming bar on your account.
You need to contact O2 to check. As you can't call I'll ask @O2Lisa if she can help.
on 04-01-2021 10:45