This text is used to describe each model folder. In each model folder there maybe several sub-folders: "v1"/"release": v1 or release folder contains the main official firmware for that model. "testing": testing folder contains a release candidate firmware, it is pre-release stage. It will update regularly when some new features added or security bug fixed. The next release firmware will derive from it. "clean": clean folder contains a clean firmware with minimal packages, with LuCI installed, wifi is disabled by default. It is the same as OpenWRT official firmware, which doesn't include any GL.iNet packages. "tor": tor folder contains a tor firmware for that model. We don't maintain Tor firmware any more. If someone wants to use Tor VPN, please refer to the guide. https://docs.gl-inet.com/en/3/app/tor/ "nand": Only AR300M series contains this folder. It might contains above folder for NAND. "snapshots": snapshots folder contains the latest developing firmware, it usually have some bugs.