In preparation for his upcoming Kernel exploit for PS Vita 3.65/3.67/3.68, TheFlow has released Firmware Updater, an app that lets you install any official firmware update (above your current firmware) from a hacked PS Vita.
http://wololo.net/2018/06/25/ps-vita...mware-updater/
http://wololo.net/2018/06/25/ps-vita...mware-updater/