G900A COI5 imei null baseband null

Unlock using z3x and then imei and baseband become null, weird, how to fix it?
I have no efs backup. I try resetting the efs, but not working. won’t connect on uart and diag, anybody know how to solve this?

Checking certificate file… OK
KEY ID: 0478
Waiting ADB device… OK
Reading phone info…
Android version: 5.1.1
Product code:
Phone version:
PDA version: G900AUCU4COI5
CSC version: G900AATT4COI5
CSC country code: USA
CSC sales code: ATT
HW version:
Phone S/N: 00000000000
Modem board:
RF cal date:
Initialization AT RIL… error

Done with Samsung Tool PRO v.24.4