Straght talk data stopped working?

I have a att iphone 5 on straight talks byod sim program. Been using it for about a month now and everything was working great until yesterday. For some reason my iphone says it is connected to data (status bar says 4G), but when i go to safari i get a pop up saying "could not activate cellular data network" and below that it says "you are not subscribed to a cellular data service". Usssaly when data is not working on my phone i just turn cellular data off and back on, but this time the problem persist.things i tried so far is turn on/off cellular data, restart phone, turn on/off airplane mode, and i also when on straight talks website and downloaded the apn settings… All this did nothing. I email straight talk but they are taking to long to respond, i hope to get a faster responce here.

P.S.- everything else (phone and text) is working, just not data

Sorry to hear that. I've found that calling them is the best way to get some help.

Found the phone number of their website: 855 - 222- 2355

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