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Zenithink C90A Allwinner A20 Firmware

21986 Views 3 Replies 4 Participants Last post by  cxz
Download page - http://www.zenithink...0A.php?download
ROM download -
Phoenix Suite 1.0.3 - http://www.zenithink....3_20121225.rar
Flashing Instructions -

9" C90A (1024MB+8GB) Android4.2 2013-09-16 Version

Android 4.2
  • Version: 9" C90A (1024MB+8GB) Android4.2 2013-09-16
  • File Name:
  • File Size: 313MB
  • Release Date: 2013-10-10
  • MD5: 28ABEF582060B436610017C98C00C2CE
  • SHA1: 4E2662D68051D61DDA9A6614F5FC69C52055A34B
  • Download Link:

Resource Update
  • Current version update:
  • This is first release for new C90A model.
The method of firmware installation for this model
Upgrading with PC via USB cable
  • 1. First download and install the PhoneixSuitV1.0.3.
  • 2. Then download the corresponding firmware file and extract it into a temporary folder.
  • 3. Open Phoneix Suit software, connect your tablet(power on status) with USB cable. After the tablet is successfully connected, select the Onekey-upgrading, and then select the corresponding firmware file, confirm your action.
Note: keep charged when the machine is being installed the firmware. Please see the detail procedure file (
1 - 4 of 4 Posts
Is there any way to change the screen resolution to 1024x768 for use on an 8" inch tablet?
Currently 1024x600 and has a portion of about 25% of the bottom of the screen mirroring the top of the screen.

It's the only firmware I've found that works with other "Allwinner A20 Cortex A7" type tablets, and is 100% able to achieve a full root on.
I have a Woxter DX80 and there are unnecessary applications in Spanish I'd like to remove.
However the present system is inaccessible to being fully rooted, so I'm stuck with proprietary apps I'll never use taking up space.
1 - 4 of 4 Posts
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