LG 2.1.5 big mistake!

2.1.5 exe can not write the QCN
After unlock or repair imei!

QCN read OK but write not.
Those who do not realize it phone network will be incorrect!

Welcome to Octoplus/Octopus Box LG Software version 2.1.5
——————————————————————————–
Checking data…OK
Platform: LG Qualcomm
Selected port: COM464
Selected model: H340N
Reading info…
Model ID: LG-H340n
IMEI: 358816-06-*****-3
Android version: 5.0.1
Battery level: 73%
Trying to enable Diagnostics ports…
Initializing ADB…OK
ADB Server was found. Trying to kill…
Waiting for phone…OK
Diagnostics ports are enbled!
Switching to Serial Port…
Failed!
Trying to enable Diagnostics ports…
Initializing ADB…OK
Waiting for phone…OK
Checking root access…
Initializing ADB…OK
Waiting for phone…OK
Phone is not rooted.
Sending exploit…OK
Switching to Download mode…OK
Initializing flash…OK
Executing exploit…OK
Press "Grant" button on the phone every time when superuser dialog
appears
Initializing ADB…OK
Waiting for phone…OK
Checking root access…
Initializing ADB…OK
Waiting for phone…OK
Phone is not rooted.
Could not get root access.
Please, root the phone manually!
Failed!
——————————————————————————–
Checking data…OK
Platform: LG Qualcomm
Selected port: COM464
Selected model: H340N
Reading info…
Model ID: LG-H340n
IMEI: 358816-06-*****-3
Android version: 5.0.1
Battery level: 75%
Mode: Normal
Firmware compiled date: Mar 31 2015
Firmware compiled time: 01:00:00
Firmware released date: Sep 24 2015
Firmware released time: 02:16:35
SW Version: MPSS.DPM.2.0.c11-00018-M8936FAAAANUZM-1
IMEI: 358816-06-*****-3
SPC: 000000
Unlocking…
Reading QCN…
Send SPC…OK
Reading Mobile Property…OK
Reading Feature Mask…OK
Reading Roaming List 0…OK
Reading NV_Numbered Items…OK
Reading NV_Numbered SIM1 Items…OK
Reading NV_Numbered SIM2 Items…OK
Reading NV Items…OK
Reading EFS…OK
Reading Provisioning Items…OK
Reading QCN done!
Backup saved to "H340N_35881606*****_30-12-2015_01-02-55.qcn"
Switching to Download mode…OK
Initializing flash…OK
Reading partition…OK
Reading security area…OK
Backup saved to "H340N_35881606*****_30-12-2015_01-11-28.SEC"
Writing security area…OK
Switching to Normal mode…
Trying to enable Diagnostics ports…
Initializing ADB…OK
Waiting for phone…
Please, reconnect phone, enable USB debugging, and try again.
To enable USB debugging, please perform the following steps:
1. Disconnect cable
2. Install LG Android ADB drivers
3. Go to "Settings" -> "About phone" -> "Software information"
4. Click on Build number 5 times
5. Enable "Settings" -> "Developer options" -> "USB debugging" option
6. Connect the cable and check, whether ADB interface has appeared in
PC Device Manager.OK
Diagnostics ports are enbled!
Switching to Serial Port…
Found model EAAAANWZ at port COM464
Send SPC…OK
Writing QCN… But nothing happens

(Old exe can write back)

More models tested

What happened?
The situation is getting worse:-(
while Other box:
H340N Direct SAFE unlock without WIPE – first in the world