how to stop bootup sound

[Android Central Question]

I want to stop the t mobile sound every time I turn on my S9

 

[ManiacJoe]

That is part of the branding when you buy a phone from T-Mobile.
If it is possible to remove the sound, at a minimum you will need root the phone to fined the files.

 

[Rashawn29]

I want to stop the t mobile sound every time I turn on my S9

Try Silent Boot, I use it for my s9 plus on AT&T.