2 time unlock ls992 and got relocked

3/30/2019 5:13:57 PM:
3/30/2019 5:14:15 PM: Mode: Normal
3/30/2019 5:14:15 PM: Model: LS992ZVF
3/30/2019 5:14:15 PM: Build version: Feb 1 201810:10:44Aug 14 201711:00:00LS992ZVF
3/30/2019 5:14:15 PM: SW Version: MPSS.TH.2.0.c1.4-00060-M8996FAAAANAZM-1.102675.1.109838.1
3/30/2019 5:14:15 PM: IMEI: 35560207xxxx-5
3/30/2019 5:14:15 PM: BlueTooth Address: 00:00:00:00:00:00
3/30/2019 5:14:15 PM: Phone Code:
3/30/2019 5:14:15 PM: Elapsed: 2 secs. --> (v9.60)
3/30/2019 5:14:15 PM:
3/30/2019 5:14:21 PM: Checking Login and Password...
3/30/2019 5:14:22 PM: OK
3/30/2019 5:14:22 PM: Ballance:
3/30/2019 5:14:22 PM: 5 crd.
3/30/2019 5:14:24 PM: You have 5 credit(s) left. This operation takes 5 credits.Continue?
3/30/2019 5:14:24 PM: Yes
3/30/2019 5:14:29 PM: Searching modem interface...
3/30/2019 5:14:29 PM: found COM28
3/30/2019 5:14:29 PM: Reading data from phone...
3/30/2019 5:14:29 PM: OK
3/30/2019 5:14:29 PM: IMEI: 35560207xxxxx5
3/30/2019 5:14:30 PM: Searching ADB Device...
3/30/2019 5:14:33 PM: OK
3/30/2019 5:14:34 PM: Reading data from phone...
3/30/2019 5:14:35 PM: Searching server...
3/30/2019 5:14:38 PM: OK
3/30/2019 5:14:38 PM: Waiting for server answer...
3/30/2019 5:14:39 PM: OK
3/30/2019 5:14:40 PM: Writing zTool...
3/30/2019 5:14:41 PM: OK
3/30/2019 5:14:41 PM: Initialization zTool...
3/30/2019 5:14:41 PM: OK
3/30/2019 5:14:41 PM: Unlocking...
3/30/2019 5:14:41 PM: OK
3/30/2019 5:14:41 PM: Unlocking done
3/30/2019 5:14:41 PM: Elapsed: 17 secs. --> (v9.60)