CellularData Articles on TUAW - The Unofficial Apple Weblog

iPhone cellular data not working? Try resetting your network settings

by Sang Tang (Nov 11th, 2009)

The "Reset Network Settings" button on the iPhone not only resets your Wi-Fi settings -- resulting in a clean slate with respect to Wi-Fi access points and their passwords -- it also resets your phone carrier settings. Several months back, I had the darndest trouble with cellular data access. I ...

What's up with the iPhone Carrier Update?

by Brett Terpstra (Feb 7th, 2009)

If you checked for updates for your US-based iPhone in iTunes in the last day or two, you should have seen this: The standard Apple explanation from the Knowledge Base: iTunes 7.7 and later has the ability to update the carrier specific settings on iPhone with iPhone 2.0 software or later. ...