LG K330 (K7) Unlocked Done

Thanks to Andrew_TM for his quick reply

Unlock Bootloader
Root via Kingoroot PC
Enable Diag
Enable USB Debugging

LG 2-3G Tool v9.47
supported models: 1555

Mode: Normal
Model: LGK330AT
Build version: Jan 6 201619:17:41Nov 17 201500:00:00LGK330AT
SW Version: MPSS.JO.1.0.c5.7-00006-M8909EAAAANVZM-1
IMEI: 35489007XXXXXXX
BlueTooth Address: 00:00:00:00:00:00
Phone Code:
Elapsed: 23 secs. --> (v9.47)

Checking Login and Password... OK
Ballance: 25 crd.
You have 25 credit(s) left. This operation takes 10 credits.Continue? Yes
Searching modem interface... found COM73
Reading data from phone... OK
IMEI: 35489007XXXXXXX
Checking root rights... OK
Writing zTool... OK
SW Version: K33010f
Initialization zTool... (this can take 1-2 minutes) OK
Reading data from phone... OK
Calculating... OK
Searching server... OK
Waiting for server answer... OK
Initialization zTool... (this can take 1-2 minutes) OK
Reading data from phone... OK
Unlocking done
Elapsed: 230 secs. --> (v9.47)