Quote:
Originally Posted by homeceo43
The SD card is showing as "Portable storage".
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Then I'm afraid this is a platform limitation. No idea if this changed between Boyue FW versions. While I played a bit with a couple on Likebooks in the past the "switch to sdcard" menu entry was added after that so I can't recall if it ever worked on these devices. Other Boyue owners might give you some tips. I dunno.
Quote:
Originally Posted by homeceo43
For books that have been opened from the SD card I noticed that there is not a .sdr directory created for the book file.
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That's normal. Android crippled filesystem permissions on external SDCard. They force apps to use the very android specific (and almost unusable) "Storage Access Framework"
Since KOReader relies
heavily on the filesystem api that effectively means any "portable storage" is read only. The metadata that usually goes on the sidecar folder is placed inside /sdcard/koreader for RO filesystems.