Since these updates typically involve a "Wipe and Load," a full backup via Desktop Software is non-negotiable to save your BBM contacts and local messages. The Verdict
Download from archive.org (version 7.1.0.42 B37). Install on Windows 7, 8, or 10 (Windows 11 requires compatibility mode). Firmware Change Update on BLACKBERRY 9790 Bold
: Plug your BlackBerry into the PC via USB. Since these updates typically involve a "Wipe and
The update process takes 45–90 minutes. A power failure during radio stack flashing corrupts the NAND memory. Use the original AC charger, not USB from a computer. not USB from a computer.