Apple has released iPhone OS 2.2.1, a minor update to the device's firmware and operating system. Apple's release notes state only that the update increases the stability of Safari and resolves a problem in which images saved from Mail do not display correctly in the camera roll. However, users are beginning to discover several undocumented enhancements.
In particular, the update appears to address a nasty bug in which users suddenly experience inability to send SMS text messages on the iPhone 3G, receiving the message "error sending" upon attempting to send.
Still unresolved, however, is … Read more