pdf reflow mode on Pocketbook 614W Basic 2

Hi to everyone.

I have Pocketbook 614W Basic 2 with latest firmware W614.4.4.611. When I use pdf in reflow mode the Pocketbook doesn't turn pages.

I am new here so I hope I do not repost something. I have found that for other devices it helps to use some older firmware, I am not sure which one would be the best for me and even if it is possible at all.

I also emailed with the pocketbook support and they have answered that there is bug in the pdf reader. That Adobe repaired the bug, but that they do not know when they are going to release new firmware.

I also read that there might be alternative viewer inside using the option open with but it gives me no alternative.

I would appreciate any ideas what can I do. Thanks a lot.

Bejkarna