Custom Firmware For Jio Fiber Router Top May 2026

| Model | Chipset | OpenWrt Status | Notes | |-------|---------|----------------|-------| | | MediaTek MT7621 | Experimental | Requires soldering serial TTL pins, modifying U-Boot env, and using a force-flash via TFTP. No WiFi driver support for the built-in MT7915 chip. | | DBC-ONT-D300 (Black, small) | Lantiq VRX220 | Limited | OMCI (ONT management) breaks after flash. Jio OLT rejects the ONT serial. Workaround: Clone original serial and MAC. Works, but no VoIP. |

However, Jio’s strategy is vertical integration. They lose money on hardware to sell services.

However, for power users, gamers, self-hosters, and privacy enthusiasts, the stock firmware feels like a gilded cage. Limited port forwarding, no VPN support, restricted DNS changes, hidden telemetry, and a lack of advanced QoS options lead to one burning question: