How do i block a number on my daughters phone on boost network without her phone

[Kizard2019]

Want to block a number that keeps calling my daughter someone she refuses to stop talking to

 

[rgd1101]

if you own the account, contact boost

 

[Kizard2019]

I did and they said i need to install an app on her phone which she doesnt let me have access to because she has a lock on it

 

[rgd1101]

if they can't help you, then we can't either