Lg k330 unlock fail and credit lost

Mode: Normal
16/07/2019 11:38:37: Model: LGK330AT
16/07/2019 11:38:37: Build version: Nov 21 201614:40:17Nov 17 201500:00:00LGK330AT
16/07/2019 11:38:37: SW Version: MPSS.JO.1.0.c5.7-00006-M8909EAAAANVZM-1
16/07/2019 11:38:37: IMEI: 35427885755675-1
16/07/2019 11:38:38: BlueTooth Address: 00:00:00:00:00:00
16/07/2019 11:38:38: Phone Code: default
16/07/2019 11:38:38: Elapsed: 2 secs. --> (v9.62)
16/07/2019 11:38:38:
16/07/2019 11:38:38: Checking Login and Password...
16/07/2019 11:38:40: OK
16/07/2019 11:38:40: Ballance:
16/07/2019 11:38:40: 10 crd.
16/07/2019 11:38:42: You have 10 credit(s) left. This operation takes 10 credits.Continue?
16/07/2019 11:38:42: Yes
16/07/2019 11:38:43: Searching modem interface...
16/07/2019 11:38:43: found COM143
16/07/2019 11:38:43: Reading data from phone...
16/07/2019 11:38:44: OK
16/07/2019 11:38:44: IMEI: 354278857556751
16/07/2019 11:38:45: Checking root rights...
16/07/2019 11:38:45: OK
16/07/2019 11:38:47: Writing zTool...
16/07/2019 11:38:47: OK
16/07/2019 11:38:47: SW Version: K33011e
16/07/2019 11:38:47: Initialization zTool...
16/07/2019 11:40:35: OK
16/07/2019 11:40:35: Reading data from phone...
16/07/2019 11:40:55: OK
16/07/2019 11:40:55: Calculating...
16/07/2019 11:40:57: OK
16/07/2019 11:40:57: Searching server...
Checking Login and Password... OK
Ballance: 0 crd.
Not enough credits

after root the phone and start unlock,few minutes later when conecting server,software dissapear and when i reconnect,credit lost but no unlock phone