a305f rmm unlock problem

Chimera Mobile Phone Utility version: 21.95.0907 @ 2019-08-09
RMM Unlock started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-A305F
Sales Code: XME
Country Code: MALAYSIA
Timezone: Asia/Karachi
Android Version: 9 [PPR1.180610.011] [SDK 28]
Build Date: Mon Jul 1 09:59:41 KST 2019
PDA Version: A305FDDU2ASF3 [june 2019, rev3]
Phone Version: A305FXXU2ASF3 [june 2019, rev3]
CSC Version: A305FOLM2ASF3 [june 2019, rev3]
Product Code: XME
HIDSw Version: A305FDDU2ASF3/A305FOLM2ASF3/A305FXXU2ASF3/A305FDDU2ASF3
Board Platform: EXYNOS5
Modem Platform: SHANNON327
Serial Number: R58M30E7B6L
Imei: 35487********
Unique Number: CCU00C2B2520316
Connections: AT,MTP
Battery Status: 3.93V (61%)
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
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: [08.09.19 13:25:27]
WorkID: 69245364