pacth fail

Chimera Mobile Phone Utility version: 20.31.1427 @ 2019-02-28
Printing phone history

Patch Certificate
2/26/2019
7:18:27
AM

Reboot
2/26/2019
7:09:51
AM

Patch Certificate
2/26/2019
6:52:48
AM

Reboot
2/26/2019
6:49:07
AM

Patch Certificate
2/24/2019
6:48:05
AM

Patch certificate started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-J400F
Sales Code: BNG
Country Code: Bangladesh
Timezone: Asia/Dhaka
Android Version: 8.0.0 [R16NW] [SDK 26]
Build Date: Tue Oct 9 16:30:51 KST 2018
PDA Version: J400FXXU2ARJ5 [october 2018, rev5]
Phone Version: J400FXXU2ARJ1 [october 2018, rev1]
CSC Version: J400FODM2ARJ5 [october 2018, rev5]
Product Code: BNG
HIDSw Version: J400FXXU2ARJ5/J400FODM2ARJ5/J400FXXU2ARJ1/J400FXXU2ARJ5
Board Platform: EXYNOS5
Modem Platform: SHANNON305
Serial Number: R2.....5MWFN
Imei: 356.....................
Unique Number: CQE0086A59BC755
Connections: AT,MTP
Battery Status: 4.03V (72%)
Network Type: GSM
SIM Status: ABSENT,ABSENT
Multisim Config: DSDS
Knox Version: v30
Warranty Bit: 0
Security Patch: 2018-09-01
Data Encryption State: unencrypted
Preparing...
Checking current patchcert.
Checking modem.
Checking root.
Checking boot image. Be patient! Do NOT disconnect the phone!
Selinux could cause problems.
If the patchcert does not work, try another root solution.
Reading data...
Checking modem version.
Restarting phone.
Waiting for ADB connection. Be patient! Do NOT disconnect the phone!
Reading data. Be patient! Do NOT disconnect the phone!
Unable to patch certificate.
Finished at local time: [02.28.19 16:00:23]
WorkID: 53650973