Apple has just released the new iOS 5.1 that ‘should’ fix the iPhone 4S battery draining issues. 

Warning: if you want to jailbreak your device, the Dev-Team has strongly advised users to stay away from this update.

Here are all the direct  download links as well as the change log:

- Japanese language support for Siri (availability may be limited during initial rollout)
- Photos can now be deleted from Photo Stream
- Camera shortcut now always visible on Lock Screen for iPhone 4S, iPhone 4, iPhone 3GS and iPod touch (4th generation)
- Camera face detection now highlights all detected faces
- Redesigned Camera app for iPad
- Genius Mixes and Genius playlists for iTunes Match subscribers
- Audio for TV programs and films on iPad optimized to sound louder and clearer
- Podcast controls for playback speed and a 30-second rewind for iPad
- Addresses bugs affecting battery life
- Fixes and issue that occasionally caused audio to drop for outgoing calls

Here are the official download links to iOS 5.1 directly from Apple:

• iPhone 4S
• iPhone 4 (GSM)
• iPhone 4 (CDMA)
• iPhone 3GS
• iPad 3 WiFi
• iPad 3 GSM
• iPad 3 CDMA
• iPad 2 WiFi
• iPad 2 GSM
• iPad 2 CDMA
• iPad
• iPod touch 3G
• iPod touch 4G
• Apple TV 2G (5.0)
• Apple TV 3G (5.0)