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[Ah11]

I just purchased the 15 day US roaming to text and use my phone but it’s not working 

[hTideGnow]

hi @Ah11 

FOR US roaming, if just text, you just need to connect to T-MOBILE 4G network , which should be a easy.  Making calls would be different you need T-Mobile 2G network, could be harder 

but first, can you connect to T-Mobile at all? if not, try manual connect 

[dust2dust]

Are you in the US? Set your phone to automatic networks. You'll connect to T-Mobile. You should get a welcome to the US text. Set your phone to LTE for network type. Text should work. Talk might or might not work. If you can change the network type to 2G then talk and text should work.

[Meow]

According to Public Mobile:

PM will have T-mobile 2G network for US talk. Try to manually connect to T-mobile.

Roaming is for Data only. Voice and SMS text will still work.

Data will work on LTE, but will switch over to 2G to make a call.

However, the quality of service will vary depending on the different coverage areas when roaming in the USA.