Apple have just released iOS 4.3.1 Software Update for iPod Touch.

This iPod Touch update contains improvements and other bug fixes, including:

• Fixes an occasional graphics glitch on iPod touch (4th generation)
• Fixes image flicker when using Apple Digital AV Adapter with some TVs
• Resolves an issue authenticating with some enterprise web services

Products compatible with this software update:

• iPod touch (4th generation)
• iPod touch (3rd generation)
• iPhone 4 (GSM model)
• iPhone 3GS
• iPad 2
• iPad

This iPod Touch update contains security content originally included in previous iOS Software Updates. For more information, please visit <http://support.apple.com/kb/HT1222>