G965n write cert fail

Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-G965N
Sales Code: SKC
Country Code: KOREA
Timezone: Asia/Ho_Chi_Minh
Android Version: 9 [PPR1.180610.011] [SDK 28]
Build Date: Thu Dec 20 01:25:53 KST 2018
PDA Version: G965FXXU2CRLI [december 2018, revI]
Phone Version: G965NKOU1ARC4 [march 2018, rev4]
CSC Version: G965FOXM2CRLI [december 2018, revI]
Product Code: SKC
HIDSw Version: G965FXXU2CRLI/G965FOXM2CRLI/G965NKOU1ARC4/G965FXXU2CRLI
Board Platform: EXYNOS5
Modem Platform: SHANNON360
Serial Number: R39K20CR2F
Imei: 355050090810306
Unique Number: CE11171B80E1633C047E
Connections: AT,MTP
Battery Status: 3.83V (40%)
Network Type: GSM
SIM Status: LOADED,ABSENT
Multisim Config: DSDS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2018-12-01
Data Encryption State: unsupported


Writing cert...
Checking modem version.
Reading data. Be patient! Do NOT disconnect the phone!
Write cert failed.
Finished at local time: [02.25.19 15:15:08]
WorkID: 53392440