A: Yes, especially if you perform the recommended factory reset after the update. Always before upgrading (System Tools > Backup & Restore). However, restoring old settings on new firmware can reintroduce bugs, so manual reconfiguration is cleaner.

Updating the firmware of your TP-Link Router TL-WR850N V3 is essential to ensure that your device stays up-to-date with the latest features, security patches, and performance enhancements. Here are some reasons why you should update your router's firmware:

It is highly recommended to perform the update via an Ethernet cable rather than Wi-Fi to prevent disconnection during the process.

Download the latest firmware file (e.g., TL-WR850N(US)_V3_0.9.1 Build251205 ).

Fix vulnerabilities that could allow hackers access to your network.

A firmware update is not just about getting new features; it's essential for the health and security of your network. A firmware update can resolve issues that the previous firmware version may have and improve its current performance. The process introduces critical security patches, enhances performance, adds new features, and improves device stability. For the TL-WR850N V3, security updates are particularly important.

Step 3: Back Up Your Current Settings (Optional but Recommended)

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Do not turn off the router or disconnect the computer during the upgrade, as this can "brick" the device. Option 1: Online Update (Recommended)

If you see “V3,” proceed. If you see any other number (V1, V2, V4, V5), do not use the files linked in this article.

However, this is an advanced process with significant risks. You must ensure you are using a version of the custom firmware specifically built for your exact model and hardware version. For example, some discussions note that the "Icedshake" build works well with the retail version of the router. Incorrect installation can easily brick your router. Only attempt this if you are comfortable with command-line interfaces and willing to accept the risk of permanently damaging your device. Always follow the specific installation instructions provided by the OpenWrt or DD-WRT community.

On the Firmware Upgrade page, look for the or Choose File (Browse) button.