Odin (firmware flashing software)
Utility software developed by Samsung From Wikipedia, the free encyclopedia
Odin is a utility software program developed and used by Samsung internally which is used to communicate with Samsung devices in Odin mode (also called download mode) through the Thor (protocol). 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.[2] Odin is the Samsung proprietary alternative to Fastboot.
Odin 3.14 running on a Windows 11 machine, with a device ready for flashing plugged in | |
| Developer(s) | Samsung |
|---|---|
| Stable release | |
| Operating system | (v3) Windows (v4) Linux |
| Available in | English |
There is no account of Samsung ever having officially openly released Odin,[3] though it is mentioned in the developer documents for Samsung Knox SDK[4] and some documents even instruct users to use Odin.[5] Some other docs on Knox SDK reference "engineering firmware",[6][7] which presumably can be a part of the Knox SDK along with Odin. Publicly available binaries are believed to be the result of leaks. The tool is not intended for end-users, but for Samsung's own personnel and approved repair centers.[8]
Usage
Although none of the publicly available downloads are authorized by Samsung itself, XDA-Developers consider the files offered on their Forum (Patched Odin v3 3.14.1 for windows) (Odin v4 1.2.1 for linux) the safest option. There is now 3.14.4 but it is not stable release
For the usage of Odin, the phone needs to be in Download mode. For this, some key combination need to be pressed, such as Power + Volume Down + Home, or Power + Volume Down + Bixby for later models.[9]
Heimdall
Heimdall is a free/libre/open-source, cross-platform replacement for Odin which is based on libusb.[3] Heimdall can be used on Mac or Linux.[10] The name Heimdall, like Odin, is an allusion to Norse mythology; both Odin and Heimdall are among the deities of the Norse pantheon.[11] [non-primary source needed]
References
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