Not getting any cellular data?
I have an iPhone 5s on the Net10 service using Tmobile towers but I'm not getting 3G or LTE at the top. I've tried resetting network settings, downloading APN settings, and restoring the phone. I need some help. I don't know what to do… 
Have you Reset Network setting? Tap Settings > General > Reset > Reset Network Settings. This also resets cellular settings, and VPN and APN settings. Then reboot you iPhone, if it is still not working you need to contact to carrier service provider. If you have smartphone, you could even install Leo Privacy Guard, with Improve operation performance.
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