: This is the most reliable community source for finding specific OS versions for the 9900. Threads like Official OS 7.1.0.1047 often contain mirrored links to installers.
Download the autoloader file from the links above. If the file is compressed (.zip or .rar), extract it directly to your desktop for easy access. 2. Terminate Desktop Software blackberry 9900 autoloader link
A: Not natively. You need a Windows virtual machine (Parallels or VirtualBox) with USB passthrough enabled. Native macOS support for .exe autoloaders was never developed. : This is the most reliable community source