VSOL does not maintain a public repository. You must request firmware from their technical support: support@vsolcn.com . Mention your device's MAC and current version.
The development of the XZ000G3 firmware involves a rigorous process that includes design, coding, testing, and validation. The firmware is typically developed by a team of experienced software engineers who use specialized tools and software development kits (SDKs) to create and test the firmware. xz000g3 firmware full
The TP-Link is a 1-Port Gigabit GPON Terminal often central to "deep stories" in the networking community because it is a popular target for unlocking hidden features VSOL does not maintain a public repository