IPhone 5s Wi-Fi and data not working?

IPhone 5s Wi-Fi and data not working?

Added (1). Recently Straight Talk upgraded their plan from 5GB to 8GB. Once I went over 5GB my LTE stopped working, I'm assuming that's because my phone isn't fully upgraded to the new data plan. My Wi-Fi worked fine up until this morning when I got up and my phone was connected to the network but I wasn't getting any internet connection. My brother has the same phone as me and he doesn't have this problem. (NOTE: The Wi-Fi is working fine with my laptop) Please help!

Added (2). Recently Straight Talk upgraded their plan from 5GB to 8GB. Once I went over 5GB my LTE stopped working, I'm assuming that's because my phone isn't fully upgraded to the new data plan. My Wi-Fi worked fine up until this morning when I got up and my phone was connected to the network but I wasn't getting any internet connection. My brother has the same phone as me and he doesn't have this problem. (NOTE: The Wi-Fi is working fine with my laptop) Please help!

Maybe the phone is broken. You should have someone check it.

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