samsung g955f u5 imei repair failed unsupported modem

Country Code: UAE
Timezone: Asia/Karachi
Android Version: 9 [PPR1.180610.011] [SDK 28]
Build Date: Wed Jun 26 16:23:47 KST 2019
PDA Version: G955FXXU5DSFB [june 2019, revB]
Phone Version: G955FXXU5DSFB [june 2019, revB]
CSC Version: G955FOXM5DSFB [june 2019, revB]
Board Platform: EXYNOS5
Modem Platform: SHANNON355
Serial Number: RF8K80F2F0M
Imei: 359049088573336
Battery Status: 4.25V (93%)
Network Type: GSM
SIM Status: ABSENT,ABSENT
Multisim Config: DSDS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2019-07-01
Data Encryption State: encrypted
Repair imei...
Checking modem version.
Reading modem. Be patient! Do NOT disconnect the phone!
This modem is not appropriate (G955FXXU5DSFB). Please downgrade if possible!
Unsupported modem version.
Finished at local time: [07.17.19 11:54:04]
WorkID: 66485566