Unlock tp450 fails but discount the credit

greetings try to release this phone tp450 sample failed but I discount the credit please verify

Here the logs

Platform: LG Qualcomm
27/4/2019 14:10:32 > Selected port: COM253
27/4/2019 14:10:32 > Selected model: TP450
27/4/2019 14:10:32 > Reading info...
27/4/2019 14:10:33 > Model ID: LG-TP450
27/4/2019 14:10:33 > IMEI: 357016-08-173444-9
27/4/2019 14:10:33 > Android version: 7.0
27/4/2019 14:10:33 > Battery level: 89%
27/4/2019 14:10:33 > Mode: Normal
27/4/2019 14:10:33 > Firmware compiled date: Dec 24 2018
27/4/2019 14:10:33 > Firmware compiled time: 02:00:00
27/4/2019 14:10:33 > Firmware released date: Jan 29 2019
27/4/2019 14:10:33 > Firmware released time: 18:27:12
27/4/2019 14:10:33 > SW Version: 27/4/2019 14:10:33 > MPSS.TA.2.3.c4-00034-8940_GEN_PACK-1.183227.2
27/4/2019 14:10:33 > IMEI: 357016-08-173444-9
27/4/2019 14:10:33 > SPC: 000000
27/4/2019 14:10:34 > Checking root access...
27/4/2019 14:10:34 > Initializing ADB...27/4/2019 14:10:35 > OK
27/4/2019 14:10:35 > Waiting for phone...27/4/2019 14:10:41 > OK
27/4/2019 14:10:45 > Phone is already rooted.
27/4/2019 14:10:47 > --------------------------------------------------------------------------------
27/4/2019 14:10:47 > Connecting to server...27/4/2019 14:10:50 > OK
27/4/2019 14:10:50 > Octopus smart card is present.
27/4/2019 14:10:50 > Checking smart card...27/4/2019 14:10:57 > OK
27/4/2019 14:10:57 > Username: anuviolr_02
27/4/2019 14:10:57 > Authorizing...27/4/2019 14:10:58 > OK
27/4/2019 14:10:58 > Checking balance...27/4/2019 14:11:00 > OK
27/4/2019 14:11:00 > Checking operation...27/4/2019 14:11:02 > OK
27/4/2019 14:11:02 > Sending device information...27/4/2019 14:11:04 > OK
27/4/2019 14:11:04 > Get credits, needed for current operation...27/4/2019 14:11:06 > OK
27/4/2019 14:11:06 > Your balance: 250 credits.
27/4/2019 14:11:06 > To perform "Unlock" operation you need to have 100 credits.
27/4/2019 14:11:08 > Sending exploit...27/4/2019 14:11:09 > OK
27/4/2019 14:11:09 > Executing exploit...27/4/2019 14:11:15 > OK
27/4/2019 14:11:15 > Sending data to server...27/4/2019 14:11:42 > OK
27/4/2019 14:11:42 > Calculating. Please Wait...27/4/2019 14:12:06 > OK
27/4/2019 14:12:06 > Unlocking...
27/4/2019 14:12:40 > Unlock Failed
27/4/2019 14:12:40 > Please, reboot the phone and try again.
27/4/2019 14:12:40 > Rebooting phone...
27/4/2019 14:12:40 > Performed by 2.9.4 Software version.
27/4/2019 14:12:40 > Elapsed Time: 00:02:11
27/4/2019 14:12:47 > --------------------------------------------------------------------------------
27/4/2019 14:12:47 > Connecting to server ...27/4/2019 14:12:49 > OK
27/4/2019 14:12:49 > Username: anuviolr_02
27/4/2019 14:12:50 > Authorizing...27/4/2019 14:12:51 > OK
27/4/2019 14:12:51 > Checking balance...27/4/2019 14:12:53 > OK
27/4/2019 14:12:53 > Your balance: 150 credits.
27/4/2019 14:13:03 >

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