Turns out that if the IMEI (phone serial number) is not updated in the ATT billing system, using newer generation phone to move data through their mobile network will stop working at some point. Apparently this is just an issue for newer phones and older phones don’t need an updated IMEI to continue working.
If available, tap the T-Mobile US APN (the bullet point fills with green). If not available, tap the Menu key, and then tap New APN. To reset your APN settings, tap MORE and then tap Reset to default. Verify and update the following settings for the Data APN: Name: T-Mobile US LTE; APN: fast.t-mobile.com; Proxy: Apr 02, 2018 · Cellular Data: Working Again! Cellular Data is working again and you can continue to browse the web and send texts using wireless data! Next time iPhone Cellular Data is not working, you’ll know exactly where to come for the solution. Thanks for reading! All the best, David L. Hi, I just bought the Galaxy S8 and I notice that Mobile data is not working. It switches on but when I try to go onto a website or use any app that requires internet, it says that I am not online. It will not sync emails either. I have switched on and off Mobile data without success. Even when it T-Mobile is one of the busiest carriers in the US and part of the ‘big four’ alongside AT&T, Verizon and Sprint. Customers with T-Mobile expect service to be working at all times of the day Oct 24, 2019 · M Barmby, Jun 27, 2019: Is any one else having problems with there mobile data on the oneplus 7 since the latest update. was working fine till I got the new update last week, now it's not connecting or just keeps loosing connection all the time.
If you don't see the familiar 4G/LTE icon appearing when it should be, then your mobile data isn't working (which could be related to your location or an internal problem on your device). Sometimes, however, the 4G logo can appear but your data still doesn't work, in which case, read on for our list of fixes.