Inet D70 A23

= Identification = On the back of the device, the following is printed: Fondi

The PCB has the following silkscreened on it: INET-D70-REV03 Zeng-gc 2014-07-01

In android, under Settings->About Tablet, you will find:
 * Model Number: T725B
 * Build Number: A23_D70_D708C_1410038.20141021

= Sunxi support =

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 =

FEL mode
To enter FEL mode:


 * Switch off the device.
 * Hold down the Vol- and Power buttons.
 * Release the Power button once u-boot reports: key pressed value=0xb.
 * Press the Power three times, u-boot should report: you can unclench the key to update now.
 * Release the Vol- button.

It is possible to query the device version at this stage, but reading results in failure.

= Adding a serial port (voids warranty) =



Device disassembly

 * 1) Remove the two screws surrounding the button panel interface.
 * 2) Insert a suitable plastic tool into the seam of casing next to one of the screw holes.
 * 3) Gently slide the tool towards and around the nearest corner.
 * 4) If the first clip has not been released at this point, twist the tool slowly to pry the casing halves apart.
 * 5) Place the tool on the opposite end of the released clip and proceed by sliding the tool towards the next clip.
 * 6) Continue carefully around the perimenter of the casing until all clips have been released.

Locating the UART
The RX and TX pads are located next to the touchscreen ZIF connector.

= Pictures =

= Also known as =

= See also =