Same problem here note10+ , whats app working fine but dual whats app can't open most attachments.This even happen to new messages and not only old ones , the file link is there and it is showing file preview page (like first page in a pdf file) and ...

Same problem here note10+ , whats app working fine but dual whats app can't open most attachments.This even happen to new messages and not only old ones , the file link is there and it is showing file preview page (like first page in a pdf file) and ...

Facing same problem but discovered it only happen in dual messenger whats app, when using the main whats app no issues. And PDF  files open normally From main whats app its working with all readersWith 2nd whats app it is not working with any if them...