I try to update without succes...now need work rom i try a lot of rom but no succes,few rom androidtool permit to flash, one succes but work only if i plug smartbox to pc with usb after remove usb powerdown
Before flash this is my device specification:
1gb ram ?gb flash
Android 4.4.4
Quadcore armcortex A7 816/1200MHZ gpu mali 400
api level 19
rk312x-eng 4.4.4 KTU84Q eng.ludj.20160128.172756testkey
board rk30sdk
Open device have chip realtek and SKhynix
I have system,boot,recovery,kernel and IDBlock.bin file dump before flash