G615F Unable to patch certificate

Chimera Mobile Phone Utility version: 22.16.0809 @ 2019-08-26
Printing phone history

Patch Certificate
8/26/2019
11:47:35
AM

Get Info
8/26/2019
11:47:09
AM

Patch Certificate
8/26/2019
11:41:04
AM

Patch Certificate
8/26/2019
11:39:37
AM

Get Info
8/26/2019
9:33:47
AM

Patch certificate started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G615F
Sales Code:
Country Code:
Timezone: Asia/
Android Version: 8.1.0 [M1AJQ] [SDK 27]
Build Date: Mon Feb 11 18:39:48 KST 2019
PDA Version: G615FXXU2BSB1 [february 2019, rev1]
Phone Version: G615FXXU2BSB1 [february 2019, rev1]
CSC Version: G615FODD2BSB1 [february 2019, rev1]
Product Code:
HIDSw Version: G615FXXU2BSB1/G615FODD2BSB1/G615FXXU2BSB1/G615FXXU2BSB1
Board Platform: MT6757
Modem Platform: MT6757
Serial Number: R28JB3QB3VL
Imei: 35851
Unique Number: CRX008BEE969D94
Connections: AT,MTP
Battery Status: 3.80V (36%)
Network Type: GSM
SIM Status: READY,READY
Multisim Config: DSDS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2019-02-01
Data Encryption State: encrypted
Preparing...
Checking root.
The phone is rooted by: 18.1:MAGISKSU (topjohnwu)
Checking current patchcert.
Reading data. Be patient! Do NOT disconnect the phone!
Patching certificate...
The operation is in progress. Be patient! Do NOT disconnect the phone!
Unable to patch certificate.
Finished at local time: [08.26.19 17:22:12]
WorkID: 70975485