You will see a command prompt (black window) open. It will say: "Waiting for Device Initialization..."
For the truly curious, here is what happens in the 9900’s bootrom when an Autoloader runs: blackberry 9900 autoloader
hosts various legacy BlackBerry files, though you must ensure the file specifically matches the 9900 (Bold Touch) model rather than BB10 devices. Direct Mirrors You will see a command prompt (black window) open
The BlackBerry Bold 9900 is a piece of mobile history. For collectors and enthusiasts, the Autoloader is the key to preserving this history. It transforms a potential paperweight into a functioning communication device. While the process requires a Windows environment and a bit of patience, the satisfaction of seeing the Bold 9900 boot up to its iconic homescreen makes the technical hurdles worthwhile. Whether you are unbricking a broken unit or simply starting fresh, the Autoloader remains the definitive software tool for the Bold For collectors and enthusiasts, the Autoloader is the