You can now use signer_tool.exe from the BlackBerry NDK to sign your apps with a debug token that never expires. The retail OS rejects tokens after 30 days; the Dev Exclusive ignores the timestamp.
: They are used as a "last resort" for troubleshooting or to perform a complete system wipe and reinstall from scratch, which can improve device performance by deleting unnecessary system files. Installation Overview blackberry z3 stj1001 autoloader developer exclusive