S 5 Active G870A Null IMEI and Unknown Baseband.

Operation: Write CERT
Selected model: SM-G870A
Selected port: COM61 SAMSUNG Mobile USB Serial Port
Software version: 23.9

Checking certificate file… OK
KEY ID: 0700
Waiting ADB device…
Please, allow USB debugging on phone… OK
Reading phone info…
Model: SAMSUNG-SM-G870A
Android version: 4.4.2
Product code:
Phone version:
PDA version: G870AUCU1ANE4
CSC version: G870AATT1ANE4
CSC country code: USA
CSC sales code: ATT
HW version:
Phone S/N:
Modem board:
RF cal date:
IMEI:
Initialization AT RIL… error

Done with Samsung Tool PRO v.23.9

I got this G870A with null IMEI and unknown baseband and i cannot write a new cert to it. I think I need a working G870A EFS file to revive the baseband.

Any one got G870A EFS file. I would really appreciate it if you can share it here.

Thanks!