Manual & setup guideVIOFO
A139 3CH 3 Channel Dash Cam Front 2K 1440P + Interior 1080P + Rear 1080P 5GHz Wi-Fi GPS Dash Camera manual and setup guide
The A139 3CH 3 Channel Dash Cam Front 2K 1440P + Interior 1080P + Rear 1080P 5GHz Wi-Fi GPS Dash Camera user manual (PDF) covers mounting, wiring, parking-mode setup, menu settings, firmware updates, and SD-card troubleshooting. Download the original PDF below, or use the quick-facts table and FAQ on this page to get the answer without opening the file.
Quick facts
What's in the manual
- Box contents & mounting
What's in the box and where to place the 3-camera setup for the best field of view.
- Installation & wiring
Basic power and mounting steps for normal recording.
- Parking mode setup
How to enable motion parking mode in the on-device menu.
- Menu settings
Adjusting resolution, loop-recording length, and audio recording from the on-screen or app menu.
- Firmware updates
Updating firmware over Wi-Fi via the companion app.
- Troubleshooting
Fixing SD-card formatting errors (max supported card: 512GB) and resolving recording gaps.
Common questions
How do I enable parking mode on the A139 3CH 3 Channel Dash Cam Front 2K 1440P + Interior 1080P + Rear 1080P 5GHz Wi-Fi GPS Dash Camera?
This model uses motion parking mode — see the Parking mode setup chapter for menu steps.
What resolution does the A139 3CH 3 Channel Dash Cam Front 2K 1440P + Interior 1080P + Rear 1080P 5GHz Wi-Fi GPS Dash Camera record at?
Front camera records at 2K, with additional channels covering rear and/or cabin views.
Does the A139 3CH 3 Channel Dash Cam Front 2K 1440P + Interior 1080P + Rear 1080P 5GHz Wi-Fi GPS Dash Camera have GPS?
Yes, this model has built-in GPS for speed and location logging.
How do I fix an SD card error on this dash cam?
Reformat the SD card in the camera's own menu (not just on a computer) and use a card rated for continuous video, up to 512GB — see the Troubleshooting chapter.