Ok my provider is NET10 with T mobile Sim card i been with them for couple of months and never had problems with data until they switched to LTE. After spending 8 hrs with Net10 support , changing different APN settings and nothing worked they troubleshooted my phone 8 times and nothing I even restored my phone to factory settings and nothin same Errors ,this what they told me that T mobile tower does not communicate with my phone really that's the best answer i got but here is the whole message i get when i open Dolphin browser. Error 500-- Internal Server, Error From RFC 2068 Hypertext Transfer 10.5.1 500 Internal Server Error. The server encountered an unexpected condition which prevented it from fulfilling the request.Can some please explain what is happening with these errors , everything is working fine text message and phone no problem only data service, please some help thank you.