Error repair imei nexus 5x H790 android 7.0

i tried many times but always give me this error

i rooted manually and bootloader is unlocked

Checking data…OK
Plataforma: LG Qualcomm
Puerto seleccionado: COM88
Modelo seleccionado: H790
Lectura de la información…
Model ID: LGH790
IMEI: 353626-07-886968-7
Android version:
Battery level: 32%
Versión de SW: LGH790AT-00-V10k-NXS-XXX-NOV-1
Mode: Emergency
Initializing flash…OK
Versión de SW: LGH790AT-00-V10k-NXS-XXX-NOV-12-2015-32G-
MMB29K-USER+0
Android version: 6.0
LAF Version: 1.2
Product ID: PT03S151215003233
IMEI: 353626-07-886968-7
Target operator: GOOGLE
Hardware:
Restablecimiento de IMEI…
New IMEI: 354284-65-165494-1
Skip Read/Write QCN
Reading partitions…OK
Lectura de la zona de seguridad…OK
Backup reservado en "H790_353626078869687_02-11-2016_01-53-
08.SEC"
Escritura de la zona de seguridad…OK
Switching to Normal mode…
Please perform the following steps:
1. Wait while the phone will turn on
2. Reboot the phone
3. Enable "USB debugging" Mode
4. Connect the cable and check, whether ADB interface has appeared in
PC Device Manager
5. Press "Ok" button.
Trying to enable Diagnostics ports…
Initializing ADB…OK
ADB Server was found. Trying to kill…
Waiting for phone…¡Error!
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. Enable "Settings" -> "Developer options" -> "OEM unlocking" option
7. Connect the cable and check, whether ADB interface has appeared in
PC Device Manager.
Performed by 2.4.7 Software version.

octopus cant kill adb server, i close manually in task manager but same error please help me to fix