Leaving your device on default settings exposes your network to severe security vulnerabilities. Follow these steps immediately after gaining access: 1. Change the Admin Password
The simplest and most common solution is that the password has never been changed from the factory default. Before taking any further steps, try these credential combinations that are standard for Xiongmai devices:
Note the date currently displayed on the DVR's monitor (e.g., 2026-04-26). 7004t-lm-v3 password reset
Ensure you have your network settings and VoIP provider credentials handy before proceeding so you can reconfigure the device immediately afterward. Method 1: The Physical Hardware Reset (Recommended)
Remove the silver coin-cell battery (CR2032) for 2–5 minutes and unplug the power. This can sometimes reset the clock to a default date (like 2000-01-01), allowing you to use a known "Super Password" for that specific date. Leaving your device on default settings exposes your
Connect the serial cable from your PC to the device console port.
Before diving into reset methods, it's helpful to know what you're working with. The 7004T-LM-V3 is a motherboard, often found within a 4-channel HD DVR (Hybrid Digital Video Recorder) chassis, also known as an HDVR. It's a product of , a major manufacturer in the surveillance industry. The "AHD" in some of its naming conventions likely indicates it supports AHD (Analog High Definition) camera technology. Many DVRs sold under different brand names contain this common Xiongmai board, so these methods are often widely applicable. Before taking any further steps, try these credential
: Contact the original vendor or manufacturer (such as Xiongmai Tech ) for a temporary override code based on the device's on-screen serial number.
: Go to the login window on the DVR. Enter the username admin (all lowercase) and type the generated temporary code into the password block.
: After performing a hardware reset, unplug the power and wait 90 seconds to fully discharge the capacitors.
Look for a small QR code icon or a question mark "?" icon next to the password input block. Click it to expand a large QR code on the screen.