Cần hỗ trợiphone 6s error 6

hi,
i have an iphone 6s
while restoring it through itunes shows error 6
any solution???

 

Have you tried this solution ?

 

Tried thís.
not solved
i think it is hảdware
any solution in hảdware???

 

Hi,
Please make sure that your phone has no water damage and all connectors are ok ?!
If all of them are ok, you can try to reheat the NAND chip/flash

 

No water dâmge , All connectors are ok.
Already Changed TRISTAR IC (1610A3) , reheated and reballed NAND IC
But still same ERROR