If you want to install a specific OS version or a version from a different carrier, use the manual "AppLoader" method. How to Install OS 6 on BlackBerry 9700 Bold - Expert Q&A
: Required for drivers and initial backups. Firmware File
You must download the specific handheld software designed for the (usually 9700M_PBr6.0.0_relXXXX_PLX.X.X.XXX_... ). Firmware Change Update on BLACKBERRY Bold 9700
with a fully charged battery (at least 50% charge).
Before beginning, ensure your device is prepared to prevent data loss or installation errors: [How To] Update BlackBerry Bold 9700 to OS6 - DigiMantra If you want to install a specific OS
Once the phone reboots, it may take a few minutes to re-initialize. After the update is complete, it is recommended to re-synchronize your data and check that all applications are functioning correctly. 4. Troubleshooting Firmware Updates If the firmware update fails, consider the following:
If the update fails due to power loss, the phone may look dead. You can usually recover it by removing the battery, connecting via USB, and initiating the "AppLoader" process again. After the update is complete, it is recommended
Open the BlackBerry Desktop Manager software on your computer.
Before initiating any firmware change, ensure you have the following:
BlackBerry never supported over-the-air (OTA) full firmware updates for the Bold 9700. Any website claiming otherwise is likely offering malicious COD files. The only reliable method is via USB and AppLoader.