Cellular data while traveling abroad


    Does anyone know why I can’t use my cellular data while abroad? I talked with t mobile customer service before I left and she said my plan should allow me to use cellular date while I am abroad. However, I can’t use my cellular data now that I am abroad. I restarted my phone, made sure the roaming is on, and try to select network provider manually- all of them still don’t allow me to use my cellular data. Every time I don’t connect with wifi, there’s no service available. I can only connect through wifi. Any idea on how to fix this is greatly appreciate.

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