- Make sure that you have at least 50% of battery remaining. This is important, because if your phone switches off while updating, maybe you will need to send it to RMA.
- With the phone not connected by USB, go to Settings, Device Information, More Information, Developer and check Remote Debugging flag on.
- Use a USB cable to connect it to your computer.
- Download the needed image. http://downloads.geeksphone.com/
- Unzip the image in a folder.
- Download compiled
adb
andfastboot
for mac if needed: https://dl.dropboxusercontent.com/u/1644097/adbfastbootmac.zip - Execute the following commands:
./adb reboot bootloader
./fastboot flash boot boot.img
./fastboot flash userdata userdata.img
./fastboot flash system system.img
./fastboot flash recovery recovery.img
./fastboot erase cache
./fastboot reboot