EV3X Series Firmware for 4G LTE Routers
EV3X series firmware is using on EZR30/33/33L/53 outdoor routers, EZR23 indoor router, and EZR13 outdoor extender. These models use the same Qualcomm Atheros QC9531 CPU with 128MB memory and 16MB flash memory.
The EV3X firmware has built-in mobile module drivers and multiple networking protocols to control the mobile modem and connect to mobile networks.
Powered by open-source firmware, you have full root authority to access the web interface, SSH Telnet terminal, and file system.
- FIX: Cell tower ID in decimal format
- FIX: The latest OpenVPN application version 2.5.3 with OpenSSL
- NEW: Watchdog with reboot function and custom trigger
- NEW: WireGuard VPN tunnel now is available
- NEW: Use the Domain Filter to block websites
- NEW: Lock modem’s network & band on the web interface
- FIX: Wi-Fi drops due to Low-ACK
- FIX: Error codes on option disassoc_low_ack ‘0’
- Updated MobileData protocol for mobile interface
- New: Adding the mobile roaming switch.
- New: Adding 4G-PPP protocol, switch between the default MobileData protocol.
- New: Showing signal strength details, including RSRQ, RSSI, RSRQ, and SNR.
- New: Adding USB drive support and local SMB sharing function.
- New: Adding guest Wi-Fi and isolated on another firewall zone.
- New: Adding Wi-Fi schedule. Automatically turn on/off every day.
- New: Adding reboot schedule.
- TWEAK: Optimize Wi-Fi transmissions by disabling the Low ACK function.
- New: Advanced Mobile Data protocol. Switch between QMI and PPP protocols automatically.
- New: Support mmcli commands to lock mobile network, lock LTE bands, send/read SMS, read 3GPP/GPS location, and so on.
- TWEAK: Disabled individual QMI and PPP protocols and related uqmi/qmicli commands.
- New: Set up the APN parameter for separately SIM1 and SIM2.
- New: Allows to automatically switch between SIM1 and SIM2 when the mobile interface lost connection.
- TWEAK: Turn off load balancing by default. You can turn it on when having WAN and WiFi relay and require managing their connection priority. After turn on load balancing, automatic SIM card switching will be disabled.
- FIX: Mass code on Device information > Mobile operator name.
- Wi-Fi default width 20MHz.
- NEW: Load Balancing – Allows to adjust the traffic policy and priority. The default configuration is WAN > WIFi Relay > 4G Modem.
- FIX: Bug fixes on Traversal Cloud. None available for customizing proxy rules.
- NEW: Traversal cloud. You can remotely control the 4G router.
NEW: Upgrade the firmware online (keep configurations).
NEW: Built-in web command-line interface.
- FIX: Carrier name.
- TWEAK: Replace web server with lighttpd.
TWEAK: WiFi channel changes to auto.
Firmware Upgrade Tutorial
DO NOT turn off the power while flashing and resetting the firmware!
If run a critical upgrade with a leap of several versions, please reboot the router after flashed the new firmware.
- Log in router admin. Click “Backup / Flash Firmware” under “System” on the top menu;
- Upload the firmware package by click “Browse…” on the section of “Flash new firmware image“, then click “Flash image…“.
- Click “Proceed” on the page of “Flash Firmware – Verify“.
- Wait for 3 minutes until the router flashed the new firmware and reboot. Log in router admin at gateway IP address 192.168.30.1. The default password is root or admin.
It requires an Internet connection to download the firmware file online. Please make sure your 4G router is connected to the Internet.
- Log in router admin. Go to Click “System > Backup / Flash Firmware” on the top menu.
- Scroll down to the last section of “Online Upgrade“. Click the button of “Check New Version“.
- If a newer version is available, it will start to download it automatically, then jump to the verify page.
- Click “Proceed” to flash the new firmware. It will keep your current settings.
- Wait for 4~5 minutes until finish the flashing job.
Note: If the device lacks Hostname, Model number, or Serial Number, it will fail to download the firmware file. Please use the second option to upload firmware files manually on the web interface.
- Turn on the 4G router. Connect to Windows computer by LAN cable. Open browser and access router admin page.
- Open the software of WinSCP. Input parameter on the login page:
Protocol: SCP (default)
Hostname: 192.168.1.1 (router IP address)
Username: root (router admin user’s name)
Password: root (router admin password)
Click login, it will pop up a warning page on the first login. Click “Upgrade”.
- Router files list in the right column. Access the patch of /tem.
Upload or drag the firmware file end with .bin to the patch of /tem
- Open the software of PuTTY. Input connection parameter as below:
Hostname: 192.168.1.1 (router IP address)
It will pop up a warning page on the first login. Click “Yes”.
- On the PuTTY terminal
Log in as: root (input router admin user’s name)
[email protected]’s password: root (input router admin password)
- Input below command to start to flash the new firmware. Make sure to use the correct file name, for example, “firmware.bin”.
mtd -e firmware write /tmp/firmware.bin firmware
- The return value is “Writing from /tmp/firmware.bin to firmware …”
Wait a few 3~5 minutes until return “[email protected]:~#”
- Now you can access the router admin with below data
Router IP address: 192.168.1.1 (router IP address)
User’s name: root
Password: root or admin
Require software: WinSCP & PuTTY
You can download them from their official website with free.
Suggest upgrade on Windows computer.
Suggest connecting to the outdoor router with LAN cable instead of Wi-Fi.
Ensure DO NOT disconnect the power supply during flashing the firmware!