Even if a perfect iOS 9 ROM existed (which it does not), distributing it would violate Apple’s copyright and DMCA anti-circumvention clauses. iOS is proprietary software. You are not allowed to download the root filesystem separate from an Apple device. The only legal way to obtain iOS 9 is by:
Searching for is a digital wild goose chase. It leads only to malware, scam websites, and YouTube tutorials that end with “download link in description (404 error).” ios 9 rom zip file download
These are modified versions of Android (like the Puck iOS mod ) designed for specific Android devices to give them an iOS 9 interface. 2. Where to Download iOS 9 Firmware (for Apple Devices) Even if a perfect iOS 9 ROM existed