No. Jio branded routers (Jio Fi or Jio M2) have different flash partitions. Using TP-Link firmware will instantly kill a Jio OEM device. Only use this on retail TP-Link boxes.
Post your exact log file on the India Broadband Forum (section: Legacy Routers). The community engineers still support this router. Disclaimer: Flashing third-party or modified firmware voids your warranty and carries risk. The author is not responsible for bricked devices. Always verify hardware versions. Tp-link Tl-wr850n V3 Firmware Download Fixed India
By using this guide and the correct firmware, you can extend the life of your WR850N for another 2-3 years until you upgrade to 5GHz or Wi-Fi 6. Only use this on retail TP-Link boxes
However, if you are experiencing the random reboots, DNS timeouts, or the dreaded "Limited Connectivity" yellow triangle on Windows 10/11, then the is your only hope. as Indian ISPs (like Jio Fiber
The TP-Link TL-WR850N V3 is a workhorse of a router. Despite being a legacy device (802.11n standard), millions of units are still active across India—from small offices in Delhi to home setups in rural Kerala. However, as Indian ISPs (like Jio Fiber, Airtel Xstream, ACT Broadband, and BSNL) upgrade their infrastructure, the older firmware on the TL-WR850N V3 often fails.
SHA256: 3f7a8b91c2e4d5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0