- Download the image you want to flash from http://downloads.geeksphone.com/ according to the geekphone model you have (keon, peak or revolution)
- unzip
.zip
- cd
- If you look at the content of the directory you'll see it contains
adb
andfastboot
Android platform tools. - Start adb server:
sudo ./adb start-server
- Turn on your phone and enable "Remote Debugging" under Developer settings section.
- Plug your phone to your computer using your USB wire.
- Check that your computer is listening to your phone:
./adb devices
. You'll see something like this: