sir how to reaper g610f imei permanat

i reaper imei but not show imei how to reaper

Info
2/17/2019
2:53:34
PM

Repair IMEI
2/17/2019
2:52:21
PM

Repair Device Root Key
2/17/2019
2:49:45
PM

Restore / Store backup
2/17/2019
2:48:17
PM

Patch Certificate
2/17/2019
1:58:38
PM

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-G610F
Sales Code: XSG
Country Code: UAE
Timezone: Asia/Karachi
Android Version: 7.0 [NRD90M] [SDK 24]
Build Date: Mon Jul 2 15:32:52 KST 2018
PDA Version: G610FDDU1BRG1 [july 2018, rev1]
CSC Version: G610FOJV1BRG1 [july 2018, rev1]
Board Platform: EXYNOS5
Serial Number: 00000000000
Battery Status: 3.83V (25%)
Network Type: GSM
SIM Status: NOT_READY,NOT_READY
Multisim Config: DSDS
Knox Version: v30
Warranty Bit: 1
Security Patch: 2018-06-01
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!
Calculating. Be patient! Do NOT disconnect the phone!
Repair imei failed.
Unable to Repair imei
Finished at local time: [02.17.19 06:57:44]
WorkID: 52808843