Table of Contents

Cudy WR1300 v3

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Cudy WR1300 v3 router

Installation

OEM easy installation

This section deals with

  • How you install OpenWrt from a device freshly opened

The suggested method to install openwrt on a freshly opened device, does not currently work as at May 2025. These steps typically were as follows:

  • Visit this URL to get the Cudy openwrt build: https://www.cudy.com/blogs/faq/openwrt-software-download
  • Follow the google drive link found at “Download OpenWrt Firmware to Remove Signature Check” on the page
  • Download the file “WR1300+V2-V3.zip
  • Extract the Cudy openwrt from the zip (openwrt-22.03.0-ramips-mt7621-cudy_wr1300v2-squashfs-flash.bin)
  • Boot the device and login on the Cudy web UI
  • Go to Advanced - Firmware, browse to select the openwrt-22.03.1 file previously extracted
  • Let the device flash the firmware

The last two steps above have stopped working. Cudy support were emailed to notify them of the issue. When the firmware is selected, and the upload finishes, the Cudy web UI reports that the file is invalid, and refuses to flash it.

*UPDATE*: There is a new file available on the Google Drive, `WR1300 V3.0_update_20250609.zip`. This file can be successfully installed using the Cudy web ui.

The tftp method below however, does still work, and can be used to get openwrt onto the device.

OEM installation using the TFTP method

This section deals with

  • How you install OpenWrt from a device freshly opened

This tftp method works to install OpenWrt on a device freshly opened

  • Visit this URL to get the Cudy openwrt build: https://www.cudy.com/blogs/faq/openwrt-software-download
  • Follow the google drive link found at “Download OpenWrt Firmware to Remove Signature Check” on the page
  • Download the file “WR1300+V2-V3.zip
  • Extract the Cudy openwrt from the zip (openwrt-22.03.0-ramips-mt7621-cudy_wr1300v2-squashfs-flash.bin)

Setup a tftp server

  • Setup a tftp server with IP address 192.168.1.88
  • Connect the device via ethernet on one of the LAN ports to the tftp server
  • Copy the openwrt-22.03.0 file previous extracted (Cudy OpenWrt) to the root of the tftp server
  • Rename the openwrt-22.03.0 file to recovery.bin

Flash the device:

  • Power off the device.
  • Use a sim extraction tool or pin to push the reset button and hold it in
  • Power on the device while the reset button/pin is held in
  • After 10 seconds you can let the reset button go
  • The device will pull the recovery.bin file from tftp and flash it
  • The power LED will blink fast while flashing
  • At some point all LEDs will go off, then the device will boot the Cudy OpenWrt 22.03.0 imagine
  • The device can be accessed via web on the default OpenWrt address of 192.168.1.1

Update to latest OpenWrt:

  • Go to https://firmware-selector.openwrt.org/
  • Under name of model type in “Cudy WR1300 v3
  • Select and download the upgrade file, typically the SYSUPGRADE file
  • On the device OpenWrt web UI (192.168.1.1), select System - Firmware.
  • Browse to select you latest OpenWrt SYSUPGRADE file and proceed to flash the device
  • Allow the device a few minutes to flash and reboot itself
  • Refresh the web UI at 192.168.1.1, you should now have the latest OpenWrt installed

Upgrading OpenWrt

→ generic.sysupgrade

<WRAP BOX>

FIXME These are generic instructions. Update with your router's specifics.

LuCI Web Upgrade Process

Terminal Upgrade Process

If you don't have a GUI (LuCI) available, you can alternatively upgrade via the command line. There are two command line methods for upgrading:

Note: It is important that you put the firmware image into the ramdisk (/tmp) before you start flashing.

sysupgrade

cd /tmp
wget http://downloads.openwrt.org/snapshots/trunk/XXX/xxx.abc
sysupgrade /tmp/xxx.abc