Help MTK6277 Not Take effect after flash

hello i'm newbie here, i'm sorry for my bad english, i'm from indonesia
i have different problem of my phone and this not first time.
why after i try flash my phone, my phone never take effect :( i try to change Sp flash tool version, and firmware to... everything what can i do that's not change everything of my phone wallpaper,application that still same maybe here i can find solution


by the way my phone is Lenovo a800