3.16.0 0.9.1 V6031.0 Build 210407 Rel.7370n -tl-wr850n- May 2026

1. Device Identification: TP-Link TL-WR850N

Model: TL-WR850N
Manufacturer: TP-Link Technologies Co., Ltd.
Device Type: Wireless N Router (usually 300 Mbps class, 2.4 GHz only)
Typical Markets: Often found in regions like India, Southeast Asia, Eastern Europe, and South America as a budget-friendly entry-level router.

3.16.0: This could represent a firmware version.
0.9.1: Possibly a sub-version or a component version within the firmware.
v6031.0: This seems to be another version identifier, possibly for a specific component or a more specific firmware version.
Build 210407: Indicates the build date, which in this case seems to translate to April 7, 2021 (assuming the format is YYMMDD or a similar date format).
Rel.7370n: Suggests this is a release version 7370n. The 'n' could indicate it's a nightly build, a special release, or have another meaning specific to the development or release process.
-TL-WR850N-: Model number of the device, which is a TP-Link TL-WR850N wireless router.

WAN Port (Blue/First Square Port): Connect your modem or main internet line here.

Firmware Version: 3.16. 0 0.9. 1 v6031. 0 Build 210407 Rel. 7370n (TL-WR850N) - Home Network Community. TP-Link Community 3.16.0 0.9.1 v6031.0 Build 210407 Rel.7370n (TL-WR850N) 3.16.0 0.9.1 v6031.0 Build 210407 Rel.7370n -TL-WR850N-

Part 5: Step-by-Step Upgrade Guide

If you are trying to upgrade TO version 3.16.0 0.9.1 v6031.0... or troubleshoot it, follow this guide. Model: TL-WR850N Manufacturer: TP-Link Technologies Co

The 7370n identifier is common in Russian/Asian market versions of TP-Link routers (often manufactured by TP-Link's China facilities).
If you are looking for OpenWrt support, search specifically for "TL-WR850N v2" or "QCA9377" support threads. Many of these newer MIPS builds are not yet supported by open-source firmware.

Firmware strings can look like gibberish, but they provide a roadmap of your device's software history: Firmware strings can look like gibberish