need help g900f

i have a g900f with unknown imei,
baseband is ok
i wrote a cert but it’s still same
wrote a good efs, qcn and sec, everything went well no errors during writing but imei is still unknown,
and phone model is G900F and detected as g900f in z3x but in odin mode it showing model G900P and also in about phone setting HARDWARE VERSION is G900P.00 and SE FOR ANDROID its G900P
any solution..?