Ensure your router and computer are connected to a stable power source. Step 1: Identify Your Current Firmware Version
Before proceeding, understand that firmware updates are device-specific. An incorrect firmware version can "brick" your router, turning it into a paperweight. Unlike a computer OS, rolling back a router firmware is often impossible without specialized JTAG hardware.
Upgrading firmware on ISP-locked devices (e.g., Claro, Telmex, Oi, Movistar, or other regional providers) can "brick" your device, rendering it unusable. This guide is for educational purposes. Proceed at your own risk.
The location of the firmware tool varies slightly by software version: Management Administration Look for a sub-menu labeled System Management Software Upgrade Check for Automatic Updates Some versions allow you to click Check for Update Enable Auto-check