Websites like are the industry standard. They pull direct links from Apple’s servers. Select "iPhone" -> "iPhone 4S". Green entries are "Signed" (can be installed via iTunes).
Learn the button combination (Power + Home) to put the device into Device Firmware Update mode if it gets stuck. proshivki aifon 4s skachat
Red entries are "Unsigned" (requires special tools like Legacy-iOS-Kit). 2. Custom Firmware & Jailbreaking Websites like are the industry standard
