: While Verizon and Sprint were the primary carriers to push OS 5.0, firmware from one carrier can often be installed on another by deleting the vendor.xml file from the installation directory on your PC . Known Issues & Performance
Do not attempt to install BlackBerry 6, 7, or 10 firmware on a 9630. It will brick the device permanently. Stick with the "hot" OS 5.0 build listed above for a stable, classic BlackBerry experience. blackberry 9630 firmware hot
750 words