Firmware Change Update On Blackberry Bold 9700

Before diving into the technical steps, you must understand that a firmware change isn't just about getting new features. For the Bold 9700, it serves several critical purposes:

Q1: Can I update the Bold 9700 firmware using macOS or Linux?
A: No. BlackBerry Desktop Software and AppLoader are Windows-only. However, you can run Windows in a VM (VirtualBox) with USB passthrough. Firmware Change Update on BLACKBERRY Bold 9700

Q2: Will a firmware update unlock my phone for other carriers?
A: No. Firmware does not remove SIM lock. You need an MEP code from your carrier. Before diving into the technical steps, you must

Q3: My Bold 9700 has “JVM Error 517” after firmware change. What now?
A: This indicates corrupted Java modules. Boot into safe mode (hold Back key while powering on), then reload firmware using AppLoader with the “Erase all data” option. If OS 6 runs sluggishly (less than 512MB

Q4: Where can I download old BlackBerry firmware?
A: Archive sites like BlackBerry OS Downloads (bbos.favware.net) or the Internet Archive (search “BlackBerry 9700 OS 6.0.0.723”). Verify SHA-1 hashes for security.

Q5: Does BIS still work after a firmware change?
A: Yes, as long as your carrier still supports BlackBerry Internet Service (many have phased it out). For example, in 2025, only carriers in Indonesia, Nigeria, and Venezuela offer active BIS. Without BIS, email and BBM will not work.

If OS 6 runs sluggishly (less than 512MB flash memory), you may revert to OS 5. Steps: