to create a full backup of your contacts, messages, and media. Battery Level
Ensure your 9790 is charged to at least 50% before starting. A power failure during a firmware flash can "brick" the device. Firmware Change Update on BLACKBERRY 9790 Bold
: Plug your BlackBerry into the PC via USB. to create a full backup of your contacts,
or community projects like LunarProject are the primary sources for OS 7.1 firmware files. The "Vendor.xml" Trick : A hallmark of BlackBerry flashing is deleting the Vendor.xml Firmware Change Update on BLACKBERRY 9790 Bold
: Download and install the legacy BlackBerry Desktop Software on a Windows or macOS workstation [0.5.2].
so we're going to swipe down. and then go to settings and then we're going to scroll all the way down we're going to hit software. YouTube·howto-everything BlackBerry Wireless Update