Odin (firmware flashing software)

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A screenshot of the Odin dialog box
Odin 3.10.6 running on a Windows machine
Initial releaseJanuary 2016; 4 years ago (2016-01)
Stable release
3.13.1 / February 2018; 1 year ago (2018-02)
Operating systemWindows
Available inEnglish

Odin is a utility software developed and used by Samsung internally. It can be used to flash a custom recovery firmware image (as opposed to the stock recovery firmware image) to a Samsung Android device. Odin is also used for unbricking certain Android devices.

There is no account of Samsung ever having officially openly released Odin, though it is mentioned in the developer documents for Samsung Knox SDK[1] and some documents even instruct users to use Odin.[2] Some other docs on Knox SDK reference "engineering firmware",[3][4] which presumably can be a part of the Knox SDK alongside with Odin. Publicly available binaries are believed to be the result of leaks.[citation needed]


Graphical user interface for Heimdall running on Ubuntu Linux

Heimdall is a free/libre/open-source, cross-platform replacement for Odin.[5] The name Heimdall, like Odin, is an allusion to Norse mythology; both Odin and Heimdall are among the deities of the Norse pantheon.[citation needed]


  1. ^ "Knox Glossary of Terms and Acronyms" (PDF). Samsung.com. Santa Clara, California: Samsung. 2013-10-17. Archived from the original (PDF) on 2017-10-30. Retrieved 2019-07-04.
  2. ^ "How Can I Change or Download the Device Firmware?". Seap.Samsung.com.
  3. ^ "How Can I Check If My Device Firmware is an Engineering or Commercial Build?". Seap.Samsung.com.
  4. ^ "How Can I Make My App Work Properly on a Device with Engineering Firmware?". Seap.Samsung.com.
  5. ^ "Heimdall". Retrieved August 20, 2018.