Currently, there is no "one-click" custom ROM (like OpenWrt) for most Jio routers due to proprietary GPON drivers and locked bootloaders. However, advanced users have achieved success through specific vectors.
The Quest for Custom Firmware on JioFiber Routers Introduction custom firmware for jio fiber router top
Which would you prefer?
Some older Jio router models have hidden "Admin" or "Superuser" menus that can be accessed via specific URLs or by inspecting the web page elements. While not "custom firmware," this can unlock features like: Advanced Firewall rules. Specific Port Forwarding options. Bandwidth control per device. Risks of Attempting a Flash Currently, there is no "one-click" custom ROM (like
The GPON modem stack is closed-source, the bootloader is locked, and recovery is impossible. the bootloader is locked