mozilla-b2g/device-flame — pull request #61 by AntonioMA (2014-09-16 15:22:48+00:00)
Title: Bug 1066723 - Set the correct recovery external storage path for the internal SDCARD

On Kit Kat builds the internal sdcard (which is the one where the update.zip is copied) lives at /storage/sdcard0 on the recovery partition, not /storage/sdcard1.