A set of tools to enhance features of your HT802/HT814 device
(these tools may works on others devices too)

A tool to extract, decrypt and patch GrandStream firmware
With this tool you can create Custom Firmwares

A runtime injected assembly mod to obtain a dynamic and scriptable black list
You can try it even without a Custom Firmware! ;-)

A tool to get a root shell whitout a Custom Firmware

A mini guide to debug any executable on the device

A set of firmwares already decrypted and extracted