Zte Zxhn H108n V2.5 Firmware Original

Many users download the wrong firmware because they misidentify the hardware. The label on the bottom of the router is critical.

Original firmware from ZTE is rarely available directly from ZTE’s global website. Instead, ISP-branded versions are used. These contain:

When you try to flash a generic “original” ZTE firmware on an ISP-locked device, you may trigger a bootloop. Therefore, the true original firmware is often the ISP’s official stock version.


If you can access the bootloader via serial or by holding the reset button while powering on (telnet on port 23 or 80), note the CFE output. The V2.5 usually has a protection mechanism that rejects any firmware without a valid signature header.

Crucial: Do not download firmware labeled “H108N V1.0” or “H108N V2.0”. They will brick your V2.5.


The ZTE ZXHN H108N v2.5 is a versatile ADSL2+ wireless gateway designed for broadband internet and basic home networking. Its original firmware provides a web-based GUI for managing connections, security, and maintenance tasks. Original Firmware Overview

The stock firmware is built for standard residential and small enterprise use cases, offering a "double play" integration of a DSL modem, router, and 802.11n wireless networking. Access Credentials: Default IP: Often 192.168.1.1 or 192.168.1.254. zte zxhn h108n v2.5 firmware original

Default Username/Password: Typically admin / admin for full privileges, or user / user for restricted viewing.

User Roles: The firmware distinguishes between Administrator (full parameter control) and User (viewing info and basic software upgrades).

Management Protocols: Supports TR-069 for remote management by service providers. Key Features & Capabilities

Connectivity: Supports three upstream modes: ADSL, Ethernet (using a LAN port as a dedicated WAN), and 3G (via an optional USB 2.0 host port for dongles).

Wireless Networking: Implements 802.11b/g/n standards with speeds up to 300Mbps using MIMO technology.

Security: Includes a built-in firewall with support for WPA/WPA2 PSK authentication and IP address filtering. Many users download the wrong firmware because they

Network Tools: Features DHCP server, Virtual Server, DMZ, and Quality of Service (QoS) for bandwidth prioritization. Hardware & Technical Specifications Specification Processor Ralink RT63365E (500 MHz) Flash / RAM 2 MiB Flash / 8 MiB RAM Physical Interfaces

4x 10/100Base-T Ethernet, 1x RJ-11 DSL, 1x USB 2.0 (optional) Dimensions 105 mm (H) × 108 mm (W) × 52 mm (D) Power 12V DC, 0.5A - 1A Firmware Maintenance & Vulnerabilities [OpenWrt Wiki] ZTE ZXHN H108N

This paper outlines the core specifications, maintenance procedures, and firmware management for the ZTE ZXHN H108N V2.5 ADSL Home Gateway. Overview of ZTE ZXHN H108N V2.5 ZXHN H108N V2.5

is a versatile ADSL2+ wireless router designed for home and enterprise broadband access

. It supports multiple upstream modes, including ADSL, Ethernet, and 3G wireless via USB. Core Specifications Interfaces

4x 10/100Base-T Ethernet ports, 1x RJ-11 ADSL port, 1x USB 2.0 Host When you try to flash a generic “original”

2.4 GHz 802.11b/g/n (up to 300 Mbps) with 2 internal antennas Varies by sub-model: Broadcom BCM6328 or Realtek RTL8672 Default IP 192.168.1.1 192.168.1.254 Default Credentials Firmware Management & Maintenance 1. Identifying Your Firmware Version

Before attempting any updates, verify your current version via the web interface. Version History : Common original versions include 2.5.5_BTMT1 2.5.0_EG1T7_TED Security Note

: Older versions (pre-V2.5.0_EG1T5) may contain vulnerabilities such as information leaks or CSRF. 2. Standard Firmware Update Process

Official firmware should be sourced directly from your ISP or the ZTE Support Portal ZTE - ZXHN H108N - Firmware change - SNBForums

There are two chipsets that were used with this model. Realtek and Broadcom. OpenWRT can only be used on the Broadcom model. J. ZXHN H108N


Original firmware default credentials are not always admin/admin. Try:

If none work, perform a 30-30-30 reset. If still locked, re-flash the original firmware again.


Navigate to 192.168.1.1 (default) or 192.168.0.1. Login (default credentials often admin / admin or user / user). Go to Status > Device Info. Note: