cherry mobile t8 unable to receive and send call and text [done][SOLVED]

[PhoneWar]

model: cherry mobile t8

problem: unable to receive and send call and text

history: unkown

tools to be use: P-14H CHIP
and ofcourse volcano box

procedure: click MTK on tab
- then click read info
- click read flash to back up
last click format
note hold power on after clicking read info,read flash and format
unlike on spredrum cpu chips no need to press the power button.