IPhone4

Solution A

1. With your iPhone4 open Safari Browser 2. Go to m.apnchanger.org . If your Cellular Provider is not listed, choose "Custom APN" and set your APN Settings there. 3. Click "Install". That’s it!

Solution B

1. mac version: http://support.apple.com/kb/DL851 windows version: http://support.apple.com/kb/DL926 2. Open the iPhone Configuration Program, for Mac Version, it should be in Utilities Folder. 3. Google your Carriers APN settings or ask a non-iPhone user, normally SonyEricsson phones has this stated in its conf-settings 4. Under Library there’s a Configuration Profiles, Click on “new”, go down to advanced, add the APN settings, for example in Malaysia, use Access Point name “maxis” and password, “wap”, rest not needed, at least not for Carrier Maxis 5. Connect your iphone, should pop up as in iTunes, go to “configuration profiles tab”, chose install, a notification should appear on your phone, choose “install”. After install it should work directly. Only one profile can be installed at once; which sucks because if you have different pre-paid cards, then you are stuck with one provider till you get a chance to go home and switch profile. For iPhone 3GS with iOS 4, the APN settings is under General > Network. Troubleshooting: Look in Devices/<phone>/Console for error messages. In your Settings/General, you should now have a profile-tab, so you can choose to remove it if you experience any other problem and redo.