This is a simple widget for switch the APN on/off quickly. After installation, you must to enable "Mobile networks" and setup your APN list. (settings -> Wireless & networks -> Mobile networks), then drag the widget to the main window, and just press it to switch APN.If you have any problem, just comment here. thank you.!!!!! Visit https://play.google.com/store/apps/details?id=org.atdog.apnwidget to download the new version !!!!!Version 1.0 – simple widget for switch APN on/off.