LG-G7 ThinQ --G710PM sprint unlock

[easyto]

Hi,
I have one LG G7thinQ locked to Sprint. Is there any solution to unlock it and able to use with all carrier and can convert running PM model to ULM .
please help to share the guide if any .

 

[nazem]

try connecting to wifi and go to uicc unlock in settings. sounds simple but it worked for me

 

[easyto]

try connecting to wifi and go to uicc unlock in settings. sounds simple but it worked for me

Thank you for the prompt reply.
I did that step .it was not working for me. Getting "Authentication error ,try again "whenever I did.