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The WeTab is a tablet-PC by 4tiitoo and Neofonie.

BIOS Update

This part is incomplete and you might have to do your own research about it. Nobody can guarantee that you can't make your WeTab unusuable (brick)

Download the Bios-Update-Stick-V2.zip from pherzog's website and apply the .img file inside the zip with dd to a USB Stick like that:

dd if=./Bios-Update-Stick-V2.img of=/dev/sdx

The text file in the zip describes how to boot the USB Stick, this one is a non-literal translation:

  • Have the WeTab turned on. Also, have the WeTab connected with the charger, the USB Stick and a Keyboard.
  • Turn it off while holding down the "Hotkey" (Upper-left, that touch-sensitive circle)
  • It should reboot after approximately five seconds.
  • Hold down the "Hotkey" and smash on F11 like it's the last thing you could do before death.
  • Select the USB Stick as boot device, follow your common sense from now on.



There's a very hacky solution for getting the HDMI-slot to work in Archlinux.

You first have to install chrontel-wetab-rpm from the AUR.

Then execute the following commands as root:

modprobe i2c-dev
mv /dev/i2c-0 /dev/i2c-2
Note: if mv tells you that i2c-0 doesn't exist, try i2c-14 instead. It depends on the kernel.
  • When you see something on the screen you've plugged on the HDMI-port, you can kill the tiitoo-hdmi-daemon. But you don't have to.
  • These commands have to be executed on every booting process.
  • The graphics card in the WeTab is only capable of cloning the output of the internal screen to the HDMI-port, with the same resolution. Because of that, the driver doesn't need a running Xorg to function properly.