Sm g965f rrm unlock failed u5

Chimera Mobile Phone Utility version: 21.76.1421 @ 2019-07-25
RMM Unlock started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G965F
Sales Code: O2U
Country Code: UNITED KINGDOM
Timezone: Africa/Capetown
Android Version: 9 [PPR1.180610.011] [SDK 28]
Build Date: Tue Jun 4 14:23:29 KST 2019
PDA Version: G965FXXU5CSF2 [june 2019, rev2]
Phone Version: G965FXXU5CSF2 [june 2019, rev2]
CSC Version: G965FOTF5CSF2 [june 2019, rev2]
Product Code: O2U
HIDSw Version: G965FXXU5CSF2/G965FOTF5CSF2/G965FXXU5CSF2/G965FXXU5CSF2
Board Platform: EXYNOS5
Modem Platform: SHANNON360
Serial Number: RFxxxxxxx
Imei: 35xxxxxxxxxxx
Unique Number: CE0218228ACA6D17037E
Connections: AT,MTP
Battery Status: 4.12V (79%)
Network Type: GSM
SIM Status: ABSENT,ABSENT
Multisim Config: DSDS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2019-06-01
Data Encryption State: encrypted
Unlocking RMM...
The operation is in progress. Be patient! Do NOT disconnect the phone!
It seems, this unlock method is not supported by the phone.
Unlock failed.
Finished at local time: [07.25.19 13:06:05]
WorkID: 67400722