If it fails on Android, it seems to be a problem with that version of WhatsApp and should be tested with other versions. If the problem continues, the next options are to use WhatsApp Web from the phone’s browser, or the WhatsApp bridges for XMPP or Matrix (which can be a privacy issue if the server is not yours).
Every day I am more and more sure that it is necessary to make people aware of the need to migrate to free platforms such as XMPP.