APN data setting on Nexus 5 (Android 4.4.4) | Phone/Device Issues and Features | Consumer forum

I am using a Nexus 5 with Android 4.4.4 updated. I tried to visit internet by it, and it is working now.

Here is the procedure.
On your cellphone,
Go to settings - More - Mobile networks - Access Point Names,
then you have to add a new APN, look at the right up conner, there is a + icon, click it so you can add a new APN, at the new page, you can see Name, click it and name what you want. Use the same way to fill out any following items, you have to visit speakout7eleven and click the link: What are the data settings? , then you can see all setting options what you need to fill out. Leave others as it is if there is no comments for them.
After all, you must turn off your cellphone and turn on it again. It should work now.