Download iOS 6.1.3 Final For iPhone, iPad, iPod touch [Direct links]

The firmware specific to each device is as follows:

• iPhone 5 GSM
• iPhone 5 CDMA
• iPhone 4S
• iPhone 4 GSM
• iPhone 4 CDMA
• iPhone 3GS
• iPad mini (GSM, CDMA, Wi-Fi)
• iPad 4th-generation  (GSM, CDMA, Wi-Fi)
• iPad 3rd-generation  (GSM, CDMA, Wi-Fi)
• iPad 2 (GSM, CDMA, Wi-Fi)
• iPod touch 4th-generation
• iPod touch 5th-generation

Update x1: Post updated with official direct download links added above for all the supported iOS devices.