Help Rooting LG G4s Beat H735P Android 6.0


Hello,
I want to unlock this model but root is needed. I´ve tried several rotting methods but all not working, any idea?

Checking data…OK
Platform: LG Qualcomm
Selected port: COM28
Selected model: H735P
Reading info…
Model ID: LG-H735P
IMEI: samusprime
Android version: 6.0
Battery level: 90%
SW Version: H73520a
Mode: Normal
Unlocking…
Skip Read/Write QCN
Do you want to create security backup?
Writing security area…Failed!
Performed by 2.4.9 Software version.
——————————————————————————–
Checking data…OK
Platform: LG Qualcomm
Selected port: COM28
Selected model: H735P
Reading info…
Model ID: LG-H735P
IMEI: samusprime
Android version: 6.0
Battery level: 90%
SW Version: H73520a
Mode: Normal
Unlocking…
Skip Read/Write QCN
Do you want to create security backup?
Switching to Download mode…OK
Initializing flash…OK
Reading partitions…OK
Reading security area…OK
Backup saved to "H735P_samusprime_17-11-2016_23-12-29.SEC"
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…
Failed!
Trying to enable Diagnostics ports…
Checking root access…
Phone is not rooted.
Please, root the phone manually!
Please perform the following steps:
1. Disconnect cable
2. Put phone into Normal mode manually
3. Press "Ok" button
Trying to enable Diagnostics ports…
Failed!
Writing security area…
Performed by 2.4.9 Software version.