samsung j260f u3 imei repair poblem

Chimera Mobile Phone Utility version: 21.91.1250 @ 2019-08-03
Repair started
Unable to detect IMEI number.
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-J260F
Sales Code: KSA
Country Code: KSA
Timezone: Asia/Karachi
Android Version: 8.1.0 [M1AJB] [SDK 27]
Build Date: Mon Jun 3 18:31:32 KST 2019
PDA Version: J260FXXU3ASF1 [june 2019, rev1]
Phone Version: J260FXXU3ASF2 [june 2019, rev2]
CSC Version: J260FOJM3ASF2 [june 2019, rev2]
Board Platform: EXYNOS5
Modem Platform: SHANNON305
Serial Number: R28M120FCDW
Battery Status: 4.24V (86%)
Network Type: GSM
SIM Status: ABSENT,ABSENT
Multisim Config: DSDS
Warranty Bit: 0
Security Patch: 2019-06-01
Data Encryption State: encrypted
Repair imei...
Checking modem version.
This modem is not appropriate (J260FXXU3ASF2). Please downgrade if possible!
Unsupported modem version.
Finished at local time: [08.03.19 00:11:57]
WorkID: 68496365