Some of our Customers gave feedback that some problem with GT99 no sounds or low when calling. We have negotiated with the engineers and Cubot now released a new firmware which fixed this problem.
Download link: CUBOT GT99 Firmware 0802
the same flash method and Flash tool as CUBOT A890:
Pls note, before you flash the phone you need to install the drivers on your pc.
First,open flash tool “SP_MDT_exe_v3.1304.00_A2013.02.26_customer”
Secondly, choose the right file as the shows(in the file which you download),Please do as the following pictures.
1.File—-Open Download Agent File
2.Factory database——Setup data source file
Thirdly, connect GT99 with your pc using the cable
Finally,the only thing you can do is waiting now. It should take 3-5mins. It will show 100% at last.
Note: make sure you have install the driver of mtk6589 phone on your pc before you flash it.