X31 quad core tv sticks is another RK3188 base sticks, compare with others, it build in the web came, y micrófono, so you can do skype video chat easily with it.
Here is the stock firmware for this model:
http://www.mediafire.com/download/s2wcn9fv0ddxnl9/x31-update.rar
contraseña: geekbuying.com
How to flash:
1 Download the flash tool here:
http://www.mediafire.com/?cmj5b4222p7cbm7
Los controladores que puede necesitar pueden descargar aquí
http://www.mediafire.com/download.php?yqxz3wnqi2hpmcm
2 Unzip the flash tool to your desktop or other convenient location and locate the folder RKBatchTool1.7 – inside this folder is the flash tool program RKBatchTool and the USB drivers for the x31 – Don’t open anything yet!
3 Descomprima el firmware de stock que acaba de descargar, and you will get a file named: Update_x31.img or similar, this is the actual firmware file.
4 Next you need your x31 and the mini USB – standard USB cable that came with the device.
5 Vea las imágenes a continuación. You need to press the small recovery button on the back which show in the photos
La idea es que deba presionar el botón de recuperación por un tiempo., and then connect your x31 with your pc via the mini USB to usb cable.
6 When you have successfully connected your x31 to the computer you should hear a sound from windows telling you that a new device has been found. Puede liberar el botón de recuperación ahora.
7 El siguiente bit es importante… we don’t want windows to try and automatically install any drivers as we want to select the ones from the RKBatchTool1.7 folder.
9 Depending on which windows version you have the next bit will be different. In an ideal world the install driver dialog will appear as shown in the picture below.
9. Debe seleccionar la opción "Instalar desde una lista o ubicación específica (Avanzado)
10. At the next step you need to check the option “include this location in the search” y luego navegar a la carpeta: RKBatchTool1.7/RockusbDriver
11. Haga clic en Siguiente, y el controlador debe instalar. You will get a message to tell you the driver installation has been successful – O no!
TENGA EN CUENTA – If it didn’t work or Windows automatically installed a driver you will need to completely remove the driver from the system and start over. To do this varies between systems but basically you will need to locate the device manager on your PC and find a USB device called “RK31SDK″ and completely remove and delete the driver from the system.
12. Si la instalación del controlador es exitosa, puede proceder a la instalación de firmware!
13. Abra el programa rkbatchtool y la herramienta se abrirá.
14. At the top right of the RKBatchTool Window you will see a file selector, Haga clic en esto y seleccione su archivo de firmware en este caso: Update_X31.img
15. If your x31 is correctly connected to the PC, the RKBatchTool program will show a green square with “1″ sobre él. If not then you need to go back and make sure the USB driver is installed correctly.
16. Haga clic en "Restaurar” Para instalar el firmware!
17. The program will give an indication of what its doing with a progress percentage shown below, when its finished you will get a message like *****upgrade done success*****
is it the firmware that have real 1080p ?, is it root yet?
it’s not, it’s the stock rom,and don’t come with rooted.