Thread: Can't write to external card - rooted KitKat
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Old 12-01-2015, 01:12 PM   #2
chaley
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Posts: 12,471
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Join Date: Jan 2010
Location: Notts, England
Device: Kobo Libra 2
Quote:
Originally Posted by PatNY View Post
The odd things is I have another LG phone set up about a year ago almost identically to this new Volt, also running KitKat 4.4.2 and CC is writing to the external card just fine – to the exact same folder location on the external card that I am now trying to write to with the new phone. This older LG phone is running CC 4.2.8.4. Thinking you might have made a very recent change to CC, I even put CC 4.2.8.4 on the new phone, but it still can’t access the card.
There have been no changes to how CC handles SD cards in a very long time.
Quote:
When I try to connect with the new phone to Calibre by either the content server or other methods, a message pops up saying “CC cannot connect because the following book formats are stored in a read-only folder …”
This means that Android told CC that CC is not allowed to write the folder. There is nothing CC can do about that.
Quote:
When I try to manually select the folders on the external card with CC, the furthest I can browse to is the “media_rw” folder and when I click that to try to get to “external_SD” instead I get this: “There was an error with the folder chosen and it could not be opened …”
Have you checked the box in CC Settings / Other / SD Cards on Android 4.4+? My guess is yes or you wouldn't be getting as far as you are.

Like the last one, that error comes from Android. I don't know why CC is being blocked.
Quote:
As a last resort, I could live with having to put books in only the private Android folder on the external card, but since I can’t browse to “external_SD,” I can’t even specify CC's private folder.
If you turn off the option mentioned above then you should be presented with the choice of using the private folder. If you are not then CC can't write it.

I suspect that the SD card was formatted on a different device. Android keeps all sorts of strange permissions for SD cards and often they cannot be moved between devices. I suggest that you uninstall CC, reformat the SD card, then reinstall CC. The device should then be able to get the permissions right.

If the above doesn't work then I am stumped. We will need to take the debug-log approach in hopes that there is more info about the error in that.
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