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I cannot open PDF files from Firefox for Android

dallavalle.h
dallavalle.h
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I can't open PDF files from Firefox for Android. When I try to open one, the Google PDF reader opens for half a second in blank and closes. I tried with an open source PDF reader too, PDF Viewer Plus from F-Droid, and when I open a PDF file with this app, the document doesn't load — it stays blank too.

When I try on ProtonMail client and Brave browser both PDF reader apps work.

The Android PDF.js extension works but it isn't optimal.

I can't open PDF files from Firefox for Android. When I try to open one, the Google PDF reader opens for half a second in blank and closes. I tried with an open source PDF reader too, PDF Viewer Plus from F-Droid, and when I open a PDF file with this app, the document doesn't load — it stays blank too. When I try on ProtonMail client and Brave browser both PDF reader apps work. The Android PDF.js extension works but it isn't optimal.
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All Replies (2)

dallavalle.h
dallavalle.h Question owner
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My device is a Xiaomi Mi A2 and I'm running Android 10 with the latest patch.

dallavalle.h
dallavalle.h Question owner
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Just found that the Nightly version works, but the problem remains in the stable one