Asia-Pacific / Europe (Unbranded) Why it is "Top": This is widely considered the most stable build for the 9800. It fixes the memory leak issues found in earlier v6 OS versions.
Third-party "Swiss Army Knife" tools often used to "wipe" the device (Error 507) before loading a fresh flash file. Flashing Procedure blackberry 9800 flash file top
The native flashing tool found within your computer's program files after installing the firmware. Step-by-Step Flashing Guide Asia-Pacific / Europe (Unbranded) Why it is "Top":
Required for basic connectivity and drivers. blackberry 9800 flash file top