samsuung g610m without baseband

Chimera Mobile Phone Utility version: 18.84.1745 @ 2018-10-01
Printing phone history

Repair Device Root Key
01/10/2018
07:31:00
p.m.

Info
01/10/2018
07:29:38
p.m.

Repair Device Root Key
01/10/2018
04:54:06
p.m.

Repair IMEI
01/10/2018
03:55:21
p.m.

Info
01/10/2018
03:51:27
p.m.

Repair started
Unable to detect IMEI number and baseband version. It seems that the modem does not work or the network is unavailable/disabled.
Please reinstall a complete stock firmware and try again!
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G610M
Sales Code: CGU
Country Code: Guatemala
Timezone: America/New_York
Android Version: 6.0.1 [MMB29K] [SDK 23]
Build Date: Tue Jul 18 23:54:08 KST 2017
PDA Version: G610MUBU1AQG2 [july 2017, rev2]
CSC Version: G610MUWM1AQH1 [august 2017, rev1]
Board Platform: EXYNOS5
Serial Number: R28JB1VVTXM
Battery Status: 4.10V (76%)
Network Type: GSM
SIM Status: NOT_READY,NOT_READY
Multisim Config: DSDS
Knox Version: v30
Warranty Bit: 1
Security Patch: 2017-07-01
Data Encryption State: encrypted
Repairing IMEI...
Reading and storing secure image. Be patient! Do NOT disconnect the phone!
Checking secure image.
Preparing.
Please unlock screen if closed.
Reading modem. Be patient! Do NOT disconnect the phone!
It is necessary to restart the phone. Be patient! Do NOT disconnect the phone!
Restarting phone.
Waiting for ADB connection. Be patient! Do NOT disconnect the phone!
Waiting for ADB connection. Be patient! Do NOT disconnect the phone!
Calculating. Be patient! Do NOT disconnect the phone!
Repair imei failed.
Unable to Repair imei
Finished at local time: [10.01.18 16:33:18]
WorkID: 4510xxxx


how can I recover the baseband?

thanks.