1. Root the phone with CF-Auto-Root-hlte-hltexxxxx from Support area or other Root way
2. Open SuperSU app, update it if will be needed, disable Knox (for phone that must need this).
3. Backup phone's QCN with QPST (Download and check this manual on How to make backup of phone's QCN here:
install-qpst-create-backup-qcn-file
4. Install latest version of Octoplus/Octopus Software from this link:
Software
5. Configure the phone for connection how say Sw in main tabulate:
6. For Qualcomm enter *#0808#, select "DM + MODEM + ABD" and press "OK".
7. Enable USB Debugging option and all that sw require.
8. Connect the phone via USB cable directly to PC and press "Read Info" then "Repair Security/Wipe Security" button in Octoplus/Octopus Samsung Software.
9. Write "CERT" file with "Write Cert" button
NOTE: UART connection via micro UART cable with 525-530k resistor is required for this operation, NOT USE USB CABLE.
10. Open "Restore" tab of QPST Software
11. Select QCN backup
12. Press "Start" button
13. When
"Could not Reset the Phone. Communication Errors Occurred" error appears - disconnect the phone from PC and make "Factory Reset" Manually.
(Put phone in Recovery mode "Vol up + Home + Power" and goes in Wipe/Factory Reset, press power button for confirm)
14. no step 14