If it happens repeatedly perhaps its the info supplied that is at fault.
You check on the Zwift site and the requirements are given as Android® 7.0 or higher - there is no link or indication that anything more is required.
https://support.zwift.com/en_us/supported-devices-to-run-zwift-H1Cj9QbeB
If you purchase based on that information its only when you cant find and download Zwift on the play store you are then directed to the forums (by zwift support) with a list of recommended devices