The Sercomm S3 AC2100’s reputation hinges heavily on you have. Early firmware is unstable; later updates (especially from late 2024 onward) fix most core issues. The most interesting part: Sercomm seems to rely on ISPs to test and roll out fixes , so your experience may vary wildly depending on your provider (Telus’s firmware differs from Bell’s). Always check your ISP’s forum before updating.
⚙️ : Navigate to the "Maintenance", "Administration", or "Manual Update" section. If your ISP pushed a signed update, upload the local file there and wait for the reboot. 🐧 Option 2: The Pro Move (Flashing OpenWrt) sercomm s3 ac2100 router firmware update