If you need 1.8.9 firmware for the
A81 with the original A screen, here's how to get the firmware.
Open Yahoo's babelfish:
http://babelfish.yahoo.com/
Copy and paste "http://bbs.witstech.com.cn" in the web page translator with out the parenthesis and use the "Chinese-trad to English" translation.
Click on "Firmware Issue Area"
Click on "[original] Dev_1.8.9_R3_ENG_STD"
For the firmware
for the A screen and NOT the C screen, click on "dev_1.8.9_r3_a-eng_std.rar"
For the UI for the A screen firmware, click on "homecab_en_0310_v1_cab.rar"