A Simple Guide to Flashing OpenWrt on the Cudy TR3000 (256MB)

Introduction

The Cudy TR3000 (256MB version) is a powerful and affordable travel router that has become a favorite among tech enthusiasts. Primarily sold in China on platforms like Taobao, JD.com, and Pinduoduo, it can be easily shipped to locations like Singapore for around 200 RMB (approximately 36 SGD). While its stock firmware is functional, installing OpenWrt unlocks its true potential, offering enhanced security, performance, and customization. This guide provides a straightforward, step-by-step process to get OpenWrt running on your device.

Required Files

You will need two firmware files for this process.

1. Cudy Intermediate Firmware: This special firmware, provided by Cudy, prepares the router to accept a standard OpenWrt image.
2. OpenWrt Sysupgrade Firmware: This is the final, official OpenWrt image.

Download Links

You can download the necessary files from the official sources or the alternative link below.

• Cudy Intermediate Firmware (DTS_and_intermediate_firmware.zip)
  • Official Cudy Download Page: https://www.cudy.com/zh-cn/pages/download-center/tr3000-1-0
  • Look for the "TR3000 256MB DTS" file dated "19-May-2025". After downloading, you must unzip this file to get the .bin firmware inside.
  • A Note on Cudy Support: When I was first looking for this file, I couldn't find it on the website. I left a message for Cudy's official support, and their technical team promptly replied to my email on the next business day, providing the intermediate firmware as an attachment. This was a great experience and shows their excellent support for the community.
• OpenWrt Sysupgrade Firmware (openwrt-24.10.2-...-sysupgrade.bin)
  • Official OpenWrt GitHub Link:(https://github.com/fildunsky/Fudy-MT3000/raw/refs/heads/main/OpenWRT%2024.10.2/openwrt-24.10.2-mediatek-filogic-cudy_tr3000-256mb-v1-squashfs-sysupgrade.bin)
• Alternative Download (Personal Cloud Drive)
  • Address: https://cloud.justin.best/s/y7Uz
  • Password: erqfcv

Flashing Instructions

The process involves two main steps. Follow them carefully.

Step 1: Flash the Cudy Intermediate Firmware

1. Connect: Connect your computer to the router's LAN port with an Ethernet cable and power the router on.
2. Log In: Open a web browser and go to http://192.168.10.1 or http://cudy.net. Log in to the Cudy stock firmware. The default password is oftenadmin, or you may be prompted to create one.
3. Navigate to Upgrade: Find the firmware upgrade page, usually under Advanced Settings -> Firmware.
4. Upload and Flash: Select the intermediate firmware .bin file you extracted earlier and start the upgrade.
5. Wait: The process takes a few minutes. Do not power off the router. It will reboot automatically when finished.

Step 2: Upgrade to Official OpenWrt

After the reboot, the router is running a basic version of OpenWrt.

1. Connect: Your computer should still be connected via Ethernet. The router's IP address has now changed.
2. Log In to OpenWrt: Open your browser and go to the new address: http://192.168.1.1.
3. Access LuCI: The OpenWrt login screen (called LuCI) will appear. Use the username root and leave the password field blank. Click "Login" .
4. Navigate to Sysupgrade: Go to System -> Backup / Flash Firmware.
5. Upload Final Firmware: In the "Flash new firmware image" section, select the official OpenWrt ...sysupgrade.bin file you downloaded.
6. IMPORTANT: Before flashing, uncheck the box that says "Keep settings and retain the current configuration". This ensures a clean install.
7. Flash and Wait: Start the flash. The router will take a few minutes and reboot automatically.

Initial Setup

Congratulations! Your Cudy TR3000 is now running official OpenWrt.

1. Log In: Access the router again at http://192.168.1.1 (user: root, no password).
2. Set Password: You will be prompted to set a secure password for the root user. Do this immediately under System -> Administration.
3. Enable Wi-Fi: By default, Wi-Fi is disabled for security. Go to Network -> Wireless to enable and configure your 2.4 GHz and 5 GHz networks. Set an SSID (network name) and a strong WPA2/WPA3 password for each .

Your router is now set up and ready to be customized with the thousands of packages available in OpenWrt. Enjoy your newly supercharged device!