How to Downgrade iPhone 3GS iOS Firmware from 6.1.6 to 6.1.3 - YouTube
Unlock IOS 6.1.3 iPhone 4, 5, 4S and 3GS Available Methods
question] Why is the app store not working on iOS 6.1.6 and 6.1.3 (iPhone 3GS and iPad 4th Gen) : r/LegacyJailbreak
Jailbreak definitivo firmware iOS 6.1.2 su iPhone (5, 4S, 4, 3GS) iPod Touch (4G, 5G) e iPad mini e iPad (2, 3, 4 retina Wi-Fi e 3G) unthetered con evasi0n [MAC & Windows] | Featured
Unlock iOS 6.1.6 with Ultrasn0w Fixer For iPhone 4 / 3GS [Guide]
How to downgrade iPhone 3GS from iOS 6.1.6 to 4.1 - No blobs, No iPad Baseband - With Carrier - YouTube
Apple Starts Signing Firmware All the Way Back to iOS 6.1.3 Up till iOS 11.2 - Downgrade Now if You Want to Jailbreak!
Untethered jailbreak for iPhone 5 / iOS 6 is completed, to be released with iOS 6.1
iPhone 3GS Untethered Jailbreak and Unlock for iOS 6.1.6 and 6.1.3 with Baseband 05.16.08 - YouTube
How To Jailbreak iOS 6.1.6 iPhone 4 /3GS /iPod Touch 4g - YouTube
How to officially downgrade your Apple iPhone 4s to iOS 6.1.3
question] how do i fix restore needed on iphone 3gs (literally on every firmware i tested) 3.1.3,4.1,6.1.6 : r/LegacyJailbreak
iOS 6.1.3 Released with Minor Fixes & Improvements [Download Links] | OSXDaily