Kindle DX US (2009)
Model DXUS-2009. Firmware version details.
| Version Name | 2.5.7 |
| Version Code | 550650009 |
| Uploaded | 2011-01-05 |
| Download URL | https://s3.amazonaws.com/G7G_FirmwareUpdates_WebDownloads/Update_kindle_2.5.7_B004.bin |
| MD5 | 6c79761e6f53cbb7baa5242e9cc9158b |