patch for sm-j710mn android 8.1

Chimera Mobile Phone Utility version: 21.34.1308 @ 2019-06-05
Printing phone history

Patch Certificate
05/06/2019
08:17:43
p.m.

Patch Certificate
05/06/2019
08:06:05
p.m.

Patch Certificate
05/06/2019
08:05:17
p.m.

Patch Certificate
16/01/2019
03:39:43
p.m.

Patch certificate started
Gathering phone info...
Collecting information. Be patient! Do NOT disconnect the phone!
Model: SM-J710MN
Sales Code: TTT
Country Code: TRINIDAD AND TOBAGO
Timezone: America/Bogota
Android Version: 8.1.0 [M1AJQ] [SDK 27]
Build Date: Thu Nov 8 03:54:52 KST 2018
PDA Version: J710MNVJU4CRK1 [november 2018, rev1]
Phone Version: J710MNUBU4CRK1 [november 2018, rev1]
CSC Version: J710MNUUB4CRK1 [november 2018, rev1]
Product Code: TTT
HIDSw Version: J710MNVJU4CRK1/J710MNUUB4CRK1/J710MNUBU4CRK1/J710MNVJU4CRK1
Board Platform: EXYNOS5
Modem Platform: SHANNON315
Serial Number: RF8HC042ARP
Imei: 3579330770xxxx
Unique Number: CAJ03030749DCA3
Connections: AT,MTP
Battery Status: 3.90V (42%)
Network Type: GSM
SIM Status: ABSENT,READY
Multisim Config: DSDS
Knox Version: v30
Warranty Bit: 1
Security Patch: 2018-11-01
Data Encryption State: encrypted
Preparing...
Checking current patchcert.
Checking modem.
Checking root.
The phone is rooted by: Chimera SU v1.0
Checking boot image. Be patient! Do NOT disconnect the phone!
Writing boot image.
Restarting phone.
Waiting for ADB connection. Be patient! Do NOT disconnect the phone!
Reading data...
Checking modem version.
This modem is not appropriate (J710MNUBU4CRK1), because of warranty void (knox is 1). Please downgrade if possible!
Finished at local time: [06.05.19 15:23:46]
WorkID: 619xxxx



Is it possible to patch this phone in android 8.1.0 or is it necessary to download it to android 7.0 ??

thanks.