How can I temporarily turn off one of the phones on my account

Hi, hope this helps

As the Primary Account Holder, you can Suspend or restore your line

Suspender o restablecer tu línea

Puedes suspender tu servicio mensual de T-Mobile por una de las siguientes razones:

Your device was lost or stolen.

No usarás tu teléfono por un período.

You're about to enter active military service.

Please Use the Following steps Below.

Go to My T-Mobile and

1.log in to your account.

2. Click Manage > Phones & Devices > Lost or Stolen Device.

3. Click Continue and follow on-screen steps.