Speed set in 48125w oc

Hi

a friend of me has a 4812w5 oc and the can only bet set
to 4 ,8 ,48 speed smartburn is set to off
Firmware used VS08 flasher mtk 1.55
Before the OC from 40 to 48 the problem was the same.
Anybody know’s what the problem is.

greetings robocop:cop: