While there are third-party websites that offer BlackBerry firmware downloads, we do not recommend using them, as they may:
If you download and install firmware today, you will not be able to log into a BlackBerry ID during the setup wizard (servers are down). You must skip this step by clicking "Next" without entering credentials, or by disconnecting Wi-Fi. Download Blackberry Firmware
Downloading firmware from untrusted sites is dangerous. Most of the original BlackBerry hosting sites (RIM's official servers) are dead. Third-party archives may contain: While there are third-party websites that offer BlackBerry
Before you hit "download," you must understand what kind of BlackBerry you own. The firmware (operating system) is vastly different depending on the era. we do not recommend using them