LS 980 imei repair prolbem

hi all dear members
first of all im sorry for no logs coz right now im at home.

tomorrow will post logs.
Problem is that imei is 350305260000004

i repair imei fix button and all go fine
imei fix OK, but still imei is same also wrote ls980 from support qcn(ls980)

made full hard reset
before phone was written d802 qcn
and inside also d802 versoin
but originally fone from sprint ls980
how to fix repair imei its now say
service disabled