LG TP450 T-Mobile direct unlock by Credits

[kulalapnet]

LG TP450 T-Mobile direct unlock by Credits

/root the phone first
/open octopus lg software
/select model tp450
/hit unlock





logs:

Selected model: TP450
Reading info...
Model ID: LG-TP450
IMEI: 357016-08-kulaps-2
Android version: 7.0
Battery level: 46%
SW Version: TP45010d
Mode: Normal
Performed by 2.8.8 Software version.
--------------------------------------------------------------------------------
Connecting to server ...Failed!
Coud not connect to the server!
--------------------------------------------------------------------------------
Connecting to server ...OK
Username: kulaps
Authorizing...OK
Checking balance...OK
Your balance: 100 credits.
--------------------------------------------------------------------------------
Checking data...OK
Platform: LG Qualcomm
Selected port: COM949
Selected model: TP450
Reading info...
Model ID: LG-TP450
IMEI: 357016-08-kulaps-2
Android version: 7.0
Battery level: 46%
SW Version: TP45010d
Trying to enable Diagnostics ports...
Found model LGTP450A:	ÿh at port COM949
Checking root access...
Initializing ADB...OK
ADB Server was found. Trying to kill...
Waiting for phone...OK
Phone is already rooted.
--------------------------------------------------------------------------------
Connecting to server...OK
Octopus smart card is present.
Checking smart card...OK
Username: kulaps
Authorizing...OK
Checking balance...OK
Checking operation...OK
Sending device information...OK
Get credits, needed for current operation...OK
Your balance: 100 credits.
To perform "Unlock" operation you need to have 100 credits.
Sending exploit...OK
Executing exploit...OK
Sending data to server...OK
Calculating. Please Wait...OK
Unlocking...
Phone successfully unlocked!
Rebooting phone...
Performed by 2.8.8 Software version.

*you must have 100 credits
*you must unlock bootloader first

for rooting and unlock bootloader
refer here
https://forum.xda-developers.com/android/development/recovery-twrp-v3-lg-stylo-3-plus-t3649621