Why I'm I not getting my text messages?

I have a iPhone 5 from t-mobile and I've been noticing these past 2 weeks that I'm not getting my text messages. I can send messages but not receive them. I receive them sometimes but not all the time.
Is it my phone or do I need too go too t-mobile?

It could be a number of reasons, I would start with T-Mobile and they will asses whether the phone is faulty and probably talk you through resetting it or repairing it if needs be.

If you have iMessage activated and you are sending a messages to another iPhone user, messages might get stuck if your internet connections is not stable. You can test if turning off iMessage on your phone setting: setting/messages/ turn off iMessage best luck

Contact your service provider.

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