could't ON or Charging anymore

hello n hiii...

i'm syidi from malaysia,

FYI my iphone 6 plus have some problem

the power IC is out or get some damage

is't possible that i can buy a new one complete mainboard that can i use in malaysia n support the my cellfone line provider.

please let me know ASAP.

how much n detail spec that i need to know.

tq admin.