VIOFO A119M Pro 4K User Manual & Troubleshooting Guide
VIOFO A119M Pro acting up? Lost the booklet? No stress.
Welcome to your digital backup plan. The VIOFO A119M Pro dash cam is a tiny powerhouse, packing a 4K Sony STARVIS 2 sensor into a body small enough to hide behind your mirror. But all that tech can sometimes throw a wobbly if the settings aren't just right. Whether you're trying to figure out what that flashing red light means or you just need the PDF manual, we've got you sorted.
💡 Pro Tip: Turn On Parking Mode
To get the most out of your A119M Pro, you need to enable Parking Surveillance. This doesn't work out of the box with the standard cigarette lighter cable. You'll need a hardwire kit to tap into your fuse box safely, and the HK6 Hardwire Kit is the better choice: with the HK6, VIOFO lists Hybrid Parking Mode and Low Power Impact Detection for the A119M Pro, plus cut-off voltage protection. The HK4 also works, but it does not offer Low Power Parking Mode.
Troubleshooting: LED Status Indicators
The A119M Pro communicates through its LED lights. If it's beeping or flashing at you, here is what it's trying to say:
| LED Name | Status | Meaning |
|---|---|---|
| REC (Red) | Solid Red | Camera is recording normally. |
| REC (Red) | Flashing Red | Not recording. Check SD card or Format. |
| MIC (Blue) | Solid Blue | Audio recording is ON. |
| Wi-Fi (Blue) | Flashing Blue | Wi-Fi is ON and waiting for connection. |
| Wi-Fi (Blue) | Solid Blue | Wi-Fi Connected to App. |
Voice Commands Cheat Sheet
Keep your hands on the wheel. The A119M Pro supports these exact voice commands (English):
| "Take Photo" | "Video Start" |
| "Lock the Video" | "Video Stop" |
| "Turn On Audio" | "Turn Off Audio" |
| "Turn On Wi-Fi" | "Turn Off Wi-Fi" |
| "Turn On Screen" | "Turn Off Screen" |
Frequently Asked Questions
1. Why is my camera beeping incessantly?
This is usually the "Memory Error" alert. It means your SD card is either full (and loop recording failed), too slow (not U3 rated), or needs formatting. Stop the car, hold the REC button to stop recording, then go into the Menu and select Format. If that fails, you might need a new High Endurance card.
2. How do I connect to the App?
Press and hold the Wi-Fi button on the side until you hear "Wi-Fi Enabled." On your phone, look for the VIOFO network (usually VIOFO_A119M_Pro_xxxx) and join it. The default password is 12345678. Then open the VIOFO app.
3. Can I use a 512GB SD card?
You sure can. The A119M Pro supports up to 512GB. Just make sure you format it inside the camera itself before first use to ensure the file system is compatible (FAT32/exFAT).
Official User Manual
Last reviewed: 19 August 2026. The settings, menu names, LED behaviour and default values described here follow VIOFO's own manual for this model. Firmware updates change them, so if something on your camera does not match, check the current manual linked on this page. If a specification, a feature or a price on this page is wrong or has gone out of date, tell us and we will correct it.