iOS 9.3 is coming in the Spring and will introduce Night Shift as well as a number of other new features.
Apple Releases iPhone and iPod Touch 2.2.1 Firmware
iPhone 2.2.1 Software Update
This update contains bug fixes and improvements, including the following:
- Improved general stability of Safari
- Fixed issue where some images saved from Mail do not display correctly in the Camera Roll
Products compatible with this software update:
- iPhone 3G
- 2.2.1 (Build 5H11)
- Modem Firmware 02.30.03
- Emoji "hacks" still seem to work.