Here are couple more facts about new firmware 3.1 beta 3 ^[1]:

• Looks like the limit is 15MB for sending photo and video via emails.
• Usage now shows separate “Cellular Network Data” and “Tethering Data”. This is on a standard 3.1 beta 3 install, no hacks.

^[2]

• iPhone no longer vibrates when going into the edit home screen icon mode.
• Button 123 is now _123:

• Fixed problems with databases in different applications: Messages, Mail, Address Book etc.
• In terms of API there are changes in UIKit (UIImagePickerController, UIVideoEditorController) and Audio Toolbox (AudioConverter, AudioSerives, ExternalAudioFile).
• It still updates the Baseband (modem) to version 05:11:04.
• Added the translation of labels "original size" and "Save as a new clip" when editing video.
• Translated the string "ask to join network" in WiFi.
• Enhance in sending and receiving SMS and MMS: In the previous beta it often returned an error when under conditions of a weak signal. Now everything seems to work in the best possible way.