Usually, all the Android devices will have APN settings from the mobile phone operator. But, if your smartphone does not have a valid APN setting, then take out the SIM card and insert it again.

Consider updating your APN settings if you exhausted all the troubleshooting methods to restore network connectivity. This guide explains AT&T's APN settings and how to modify them. What is an APN?

Setting up the APN in Android The simplest way to configure the APN in Android is to turn off the phone, replace the old SIM card with the new and restart the phone again and you’re good to go.

Setting up or editing your APN is not hard at all. But most people don’t know where it is, but you do now. Stay tuned to Android Headlines as we bring you more Nexus 4 coverage in the coming days.

In this latest installment of our troubleshooting series we will tackle the Galaxy J3 APN setting is greyed out issue. If you own a Samsung Galaxy J3 or any other Android device for that matter ...

This guide explains how to find and change the APN settings on the OnePlus 6T. Take your phone to any carrier with our help.

By inputting the specific APN settings for Aio into your Android phone, you are giving it the power to connect to their network, send text messages, and utilize data.

S5 APN Setting Does Not Save Problem: Hi there, I have a verizon galaxy S5 that I switched over to metropcs. Its completely activated and working. Everything except mms.