Jio JCOW404 Router: The WORST Firmware SRCMTF1_JCOW404_R3.13 Update Ever?

In this video I review the JioFiber JCOW404 router running firmware SRCMTF1_JCOW404_R3.13 — and I show you all the major issues, bugs, and weird restrictions this firmware brings. If you recently updated your router or bought JCOW404, this video is a must-watch before you tweak any settings.

You’ll see how — despite many configurable options — this router misbehaves: the 2.4 GHz and 5 GHz bands are merged into one SSID, the device limit setting doesn’t work, and Wi-Fi / LAN / IPv6 / QoS / firewall / port-forwarding sections often don’t behave as expected or reset automatically. Many users say their 2.4 GHz stops working, speed becomes unstable, or connection drops randomly even though 5 GHz seems fine.

Here’s exactly what we cover in this video:

What are the hidden features and restrictions in firmware R3.13.

Why the router merges 2.4 GHz + 5 GHz bands instead of giving separate AP names (SSID).

How “max Wi-Fi clients / device limit” setting is broken — even if you set a low number, more devices still connect.

Why changing Wi-Fi or network settings often doesn’t persist — the router resets them back automatically.

Issues with IPv4/IPv6 mode selecting “IPv4 only” doesn’t really disable IPv6 connections.

Problems in QoS, bandwidth control, port-forwarding, firewall settings — many options look good but don’t work properly.

Real user complaints about 2.4 GHz band not working or falling apart after firmware — even after router replacement.

What this means for you: Why you might want to avoid messing with too many settings, or consider using your own router instead.

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