ET-Q8 A33

This is low cost Allwinner A33 based tablet by softwinner. = Identification =

On the back of the device, the following is printed: The PCB has the following written on it: ET_Q8_A23_A33_v1.6 140903

In android, under Settings->About Tablet, you will find:
 * Model Number: MID-756
 * Build Number: astar_rda-eng 4.4.2 KVT 49L 20141110 test-keys

= Sunxi support =

Current status
This tablet comes with the Android 4.4.2 as Stock OS.

Manual build

 * For building u-boot, use the  target.
 * The .fex file can be found in sunxi-boards as

Everything else is the same as the manual build howto.

Mainline U-Boot
For building mainline u-boot, use the  target.

Mainline kernel
Use the  device-tree file for the mainline kernel.

= Tips, Tricks, Caveats = Unlike, other allwinner devices,Script.bin is not present in the vfat partition(nanda) as file.

Instead, It is located 0x43000000, it's size is	0x00020000. script.bin can be extracted from /dev/mem using mmap.

FEL mode
The button triggers  FEL mode.

= Adding a serial port (voids warranty) =



UART RX/TX is not yet found.

Locating the UART
MicroSD pins CLK(pin 5) and CD(pin 2) are multiplexed with UART 0 RX and TX respectively.

debug messages from Stock bootloader and Kernel appeared on this UART.

For more information have look at MicroSD_Breakout

= Pictures =

Here are some pictures(sorry for bad quality).

= Also known as =


 * Tagital T7X

= See also =