Yubico authenticator on app Lounge (fairephone 4)


I am new to fairphone 4 and new to murena / e foundation but have been having difficulty downloading the Yubico authenticator app from app lounge, i press the install buttons, it downloads to maybe 100% then go back to install and nothing has been downloaded. I’m up to date with operating software. Does anyone have advice on how to resolve this or where I can go for help?

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