Where can I download iOS 7.x firmware / IPSW files for the iPhone 5s?

The iPhone 5s first launched on September 20, 2013 with iOS 7 installed. The flagship device from Apple is the first 64-bit smartphone, featuring a Touch ID sensor and A7 processor. Firmware files for the iPhone 5s can be downloaded here:

iPhone 5s (AT&T / GSM) iOS 7.1.2: iPhone6,1_7.1.2_11D257_Restore.ipsw
iPhone 5s (GSM & CDMA) iOS 7.1.2: iPhone6,2_7.1.2_11D257_Restore.ipsw

iPhone 5s (AT&T / GSM) iOS 7.1.1: iPhone6,1_7.1.1_11D201_Restore.ipsw
iPhone 5s (GSM & CDMA) iOS 7.1.1: iPhone6,2_7.1.1_11D201_Restore.ipsw

iPhone 5s (AT&T / GSM) iOS 7.0.6: iPhone6,1_7.0.6_11B651_Restore.ipsw
iPhone 5s (GSM & CDMA) iOS 7.0.6: iPhone6,2_7.0.6_11B651_Restore.ipsw

iPhone 5s (GSM & CDMA) iOS 7.0.5: iPhone6,2_7.0.5_11B601_Restore.ipsw

iPhone 5s (AT&T / GSM) iOS 7.0.4: iPhone6,1_7.0.4_11B554a_Restore.ipsw
iPhone 5s (GSM & CDMA) iOS 7.0.4: iPhone6,2_7.0.4_11B554a_Restore.ipsw

iPhone 5s (AT&T / GSM) iOS 7.0.3: iPhone6,1_7.0.3_11B511_Restore.ipsw
iPhone 5s (GSM & CDMA) iOS 7.0.3: iPhone6,2_7.0.3_11B511_Restore.ipsw

iPhone 5s (AT&T / GSM) iOS 7.0.2: iPhone6,1_7.0.2_11A501_Restore.ipsw
iPhone 5s (GSM & CDMA) iOS 7.0.2: iPhone6,2_7.0.2_11A501_Restore.ipsw

iPhone 5s (AT&T / GSM) iOS 7.0.1: iPhone6,1_7.0.1_11A470a_Restore.ipsw
iPhone 5s (GSM & CDMA) iOS 7.0.1: iPhone6,2_7.0.1_11A470a_Restore.ipsw