Hello to all members

I am asking for your help, i need rom or firmware for GT-5830i Cloned (Konka 73_gb / MT-6573) , if possible an update upper than

(2.3.6), thank you for your attentions .

Device info :

Model: GT-S5830i

Firmware version: 2.3.6

Resolution: 320*480

Manufacturer: Unknown

Serial: 0123456789ABCDEF

IMSI: 603032604690066

MAC: 58:12:43:18:46:e0

Android Version: 2.3.6

Baseband version: MAUI.11AMD.W11.37.SP.V30,2012/01/09 17:06

Kernel version: konka73_gb-user 2.3.6

830iv1.5F120121128 eng.utk003.1354181216 test-keys