j730f cert write fail

Chimera Mobile Phone Utility version: 20.39.0941 @ 2019-03-06
Printing phone history

Repair IMEI
3/6/2019
12:35:00
PM

Reboot
3/6/2019
12:32:50
PM

Repair IMEI
3/6/2019
12:30:14
PM

Repair IMEI
3/6/2019
12:28:59
PM

Restore / Store backup
3/6/2019
12:27:37
PM

Write certificate started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-J730F
Sales Code: XSG
Country Code: UAE
Timezone: Asia/Dhaka
Android Version: 8.1.0 [M1AJQ] [SDK 27]
Build Date: Fri Oct 12 12:15:40 KST 2018
PDA Version: J730FXWU3BRJ2 [october 2018, rev2]
Phone Version: J730FXXU3ARI1 [september 2018, rev1]
CSC Version: J730FOJV3BRJ2 [october 2018, rev2]
Product Code: XSG
HIDSw Version: J730FXWU3BRJ2/J730FOJV3BRJ2/J730FXXU3ARI1/J730FXWU3BRJ2
Board Platform: EXYNOS5
Modem Platform: SHANNON315
Serial Number: R28J641X3LD
Imei: 359................
Unique Number: CAJ00EC48EC3C64
Connections: AT,MTP
Battery Status: 3.87V (46%)
Network Type: GSM
SIM Status: ABSENT,ABSENT
Multisim Config: DSDS
Knox Version: v30
Warranty Bit: 1
Security Patch: 2018-10-01
Data Encryption State: encrypted
Writing cert to phone...
Reading and storing secure image. Be patient! Do NOT disconnect the phone!
Checking secure image.
Preparing.
Please unlock screen if closed.
Reading modem. Be patient! Do NOT disconnect the phone!
Calculating. Be patient! Do NOT disconnect the phone!
Write cert failed.
Unable to write cert.
Finished at local time: [03.06.19 18:42:56]
WorkID: 54099791