I tried everything you suggested. Everything works perfectly as far as copying from and to the card. But the Opus is still slow when the card is in. (Even with no file into it)
I'm gonna get another card ASAP. My Opus is a Color one (new generation) but the Boo reader version is 2.0 (build 1193) and the adobe reader mobile is V 9.1 (build 28890).
Anyway I only read 'epub' format.
I thought I had read that one should not update an Opus Color because the software was too old.
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