released at 17:25 GMT 230.1MB
17:28 GMT still downloading ...
17:45 GMT up and running—it feels faster
Apple don't make it easy to find the instructions for using new features.
You can test MMS by sending a picture to yourself (the interface in messages, which was SMS, lets you take and send a picture, or send one from your photo album). If MMS doesn't work, prompt O2 to direct your MMS messages to your phone (instead of to a web page as before) by texting the message "MMS" to 1010.
To see Google StreetView on maps, drop a pin on the street you want to view. The StreetView icon appears on the pin label; click it. (This isn't new to 3.0, but it's new to me.)