Are there any apps similar to Auto3G (for iOS4) that allows you to choose what to disable, when your device is locked? You can disable 3G (to EDGE), or turn off all radios altogether. It is re-enabled when you unlock your device, providing greater battery life and breaking roving bugs.
Or something like "Auto airplane mode on lock, auto unairplane mode on unlock"
Or something like "Auto airplane mode on lock, auto unairplane mode on unlock"