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# Heimdall
Heimdall is a cross-platform open-source tool suite used to flash firmware (aka ROMs) onto Samsung mobile devices.
## Supported Platforms
Officially, AMD64/x86-64 (64-bit) or x86 (32-bit) computers running:
* Linux
* macOS
* Windows (XP, Vista, 7 etc.)
However, several third-parties have reported success running Heimdall on ARM chipsets
(in particular Raspberry Pi), as well as additional operating systems such as FreeBSD.
## How does Heimdall work?
Heimdall connects to a mobile device over USB and interacts with low-level software
running on the device, known as Loke. Loke and Heimdall communicate via the custom
Samsung-developed protocol typically referred to as the 'Odin 3 protocol'.
USB communication in Heimdall is handled by the popular open-source USB library, [libusb](http://libusb.info).
## Free & Open Source
Heimdall is both free and open source. It is licensed under the MIT license (see LICENSE).
Heimdall is maintained and predominantly developed by [Glass Echidna](http://glassechidna.com.au/),
a _tiny_ independent software development company. If you appreciate our work and would like
to support future development please consider making a [donation](http://glassechidna.com.au/donate/).
## Documentation
For more details about how to compile and install Heimdall please refer to the
appropriate platform specific README:
#### Linux
- Linux/README ([online](https://raw.githubusercontent.com/Benjamin-Dobell/Heimdall/master/Linux/README))
#### OS X
- OSX/README.txt ([online](https://raw.githubusercontent.com/Benjamin-Dobell/Heimdall/master/OSX/README.txt))
#### Windows
- Win32/README.txt ([online](https://raw.githubusercontent.com/Benjamin-Dobell/Heimdall/master/Win32/README.txt))
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