I'm not having any luck getting backup to work with BlueStacks.
I'd been using adb to backup from Kindle 4.16.0.75 on an old (and painfully slow) Sprint tablet but some recent books aren't allowed to be downloaded with that old version.
I have BlueStacks 5.14.22.1003 P64, logged in with my Google account, the old Kindle app version, logged into my Amazon account, downloaded but did not open one book. ADB is enabled in BlueStacks.
I run adb connect 127.0.0.1:4758 and it connects (port number changes each time BlueStacks is run!)
Then I do adb backup com.amazon.kindle and get the normal response in the Windows command prompt.
But unlike with the real tablet, BlueStacks never gives me the backup prompt.
With the real tablet it would not do the backup from an elevated command prompt. I've tried it both ways with BlueStacks.
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