Upgrade Instruction of Zenithink C94 Quad Core Tablet PC

Written by Sun on January 11, 2013

10.1″ C94 (1024MB+8GB) Android4.0 2012-12-24_H8_3a with bluetooth function
This version suits to C94 model with barcode 6QC94-xxx-3a-H8-xxxxxx.

Android 4.0
Version: 10.1″ C94 (1024MB+8GB) Android4.0 2012-12-20_H8_3a
File Name: ZT285_H8_3a_1GB_Android4.0_1224_V1.09.zip
File Size: 193MB
Release Date: 2013-01-10
MD5: e48f0aa06f77995b51bd79f445b62c6e
SHA1: 2b205af02dcaf74fc86cb4490d5d0cfab65356ea
Download Link: http://www.zenithink.com/UploadFile/ZT285_H8_3a_1GB_Android4.0_1224_V1.09.zip

Resource Update
Current version update:
This is first beta release for C94(H8_3a with bluetooth function).

How to update?
Using TF card

First extract the firmware which you get or download, then copy the whole “zt-update” directory into the root directory of TF card.
Put the TF card into TF card slot, then press the “Volume Plus” button at the same time to press the power-on button, the machine will be installed the firmware and then reboot.

Note: keep charged when the machine is being installed the firmware. If you see “media is existed” for long time, you can use reset function to reboot the tablet.

10.1″ C94 (1024MB+8GB) Android4.0 2012-12-20_H8_2a
This version suits to C94 model with barcode 6QC94-xxx-2a-H8-xxxxxx.

Android 4.0
Version: 10.1″ C94 (1024MB+8GB) Android4.0 2012-12-20_H8_2a
File Name: ZT285_H8_2a_1GB_Android4.0_1220_V1.09.zip
File Size: 193MB
Release Date: 2013-01-10
MD5: 7ba0b0d77364de8bd37ab8314d06c9de
SHA1: 84271f4daa5424fede0da53b9ffb6586bf0f18f5
Download Link: http://www.zenithink.com/UploadFile/ZT285_H8_2a_1GB_Android4.0_1220_V1.09.zip

Resource Update
Current version update:
1. Improve the battery meter accuracy.
2. Improve the stablity of android.
3. Fix no sound with HDMI bug.

How to update?
Using TF card

Note: keep charged when the machine is being installed the firmware. If you see “media is existed” for long time, you can use reset function to reboot the tablet.

Jan 11, 2013Sun