Problem with choosing default app in dual messeger app

[crazygrape]

Hey i've facing the problem with default apps fo opening .pdf files in "dual messenger mode Whatsapp". 

I always asked to choose which app I want to use to open it, because the "Always" option greyed out, so the options left only "Just Once".

 As you can see in this screenshoot.

So annoyed by this, any solutions or work arround about this thing ?

[Human986]

What app do you usually use to open PDF files? Open that app in settings like this image, then open it, then go to "Set as defaults > Clear defaults."

[shikhar997]

I face the same issue. 'Always' option greyed out for all kinds of files in any app which is installed as dual messenger in Samsung. Whenever I click a file, say in dual WhatsApp, I have to select the app in which to open and cannot set default with which to open the file everytime. Though it can be selected in all usual apps which are not installed through dual messenger option of Samsung.

Tried everything nothing worked.

[shikhar997]

It does not work. Always option still remains greyed out in dual messenger apps.