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.
Not officially. TP-Link EOL'd this router. The community fixed version (2020) is the last update you will ever find. If you need VLAN support (for Jio Fiber Gaming), you must buy a new router like the TP-Link Archer C6. Conclusion: Should you update? If your Tp-link Tl-wr850n V3 is currently working fine with your Indian ISP, do not touch the firmware. "If it ain't broken, don't fix it." Tp-link Tl-wr850n V3 Firmware Download Fixed India
Do not use random Google Drive links. The safest mirror for the official TL-WR850N_V3_IN_0.9.1_4.17_up_boot(150421).bin is currently hosted on the Internet Archive ([Link placeholder – search "TP-Link India Archive"]). Post your exact log file on the India
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. The author is not responsible for bricked devices
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.
SHA256: 3f7a8b91c2e4d5f6a7b8c9d0e1f2a3b4c5d6e7f8a9b0c1d2e3f4a5b6c7d8e9f0