It sounds like tab queueing is enabled. This is a feature that prevents links from immediately opening in Firefox for Android when you tap them.

Could you test with that feature disabled to see whether the links open? This article will get you to that setting, where you can turn it off:

Open links in the background for later viewing with Firefox for Android

My phone states that I need finish my account on a different device,

Hi rexgooseulukhaktok, I don't think your comment is relevant to the question posed in this thread. Sorry! Maybe you can start a new question using:

https://support.mozilla.org/questions/new

After selecting your product and problem category, scroll down past suggested article links to continue with the form.