Update T9299/HD7 to Android 3.0 with android 4.0 UI
Open the smart phone flash tool ,click the “scatter—loading” to load the ROM
and Do remember :tick off the first 2 option “preloader”and”DSP_BL” as pic shown below
T9299 MTK6573 ROM download link
After the target file load in ,plug in the battery in your smart phone ,connect the phone with the pC via USB cable and then click the third button “download“,the sytem will flash automatically.
Watch the process bar till 100% ,then the flash will finish .you will get the windows as below
Note:I have tested the given rom ,after flash the phone ,the TV will not function
if TV funtion is not so improtant for you ,you can try this latest rom.