UPDATE
The firmware for the AC68U/P is no longer supported thus is no longer a recommended option. If you flashed your TM AC1900 to stock RT-AC68U/P then replacing the firmware will provide enhanced security.
AI Suggestions
Top Firmware Alternatives for RT-AC68U/P:
- Asuswrt-Merlin: This is highly recommended for retaining the familiar ASUS GUI while fixing bugs, enhancing performance, and adding user scripts. It keeps the Asuswrt interface but makes it more robust.
- FreshTomato: A fork of the original Tomato, often preferred for its stability, advanced, and intuitive GUI. It is frequently updated, making it excellent for security patches on older hardware.
- DD-WRT: A more advanced, open-source firmware that provides extensive networking features, such as advanced VLAN configuration and VPN support.
- OpenWrt: A highly flexible, modular, open-source Linux-based system, though it may have limited support for the specific hardware revisions of the AC68U compared to others.
If you have the original TM AC1900 firmware it is possible but probably not worth the effort to install supported firmware. A guide can be found here – Flashing Merlin to TM-AC1900 or AC68U (Updated for 384 builds). Posted on January 1, 2018 By Luis Rodriguez
Original Post
COVID19 and Stay-at-Home orders make performing this moderately difficult and time consuming procedure make sense.
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