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When you check the firmware version, does your camera say "build" or "build2"? If it says "build" and not "build2" then you need to download FWA129S.bin and use that file only on the microSD card.

V1.8_20220706 has HDR. I noticed that when HDR is enabled then I no longer get 60fps as an option for 1440p resolutions. I just flashed the firmware from V1.5 to V1.8 so I haven't tested the camera other than playing with the settings. I don't plan on using HDR since I will lose 1440p 60fps...

The latest firmware and instructions are on https://viofo.com/content/37-viofo-a129-plus-duo-dash-cam-support/ Make sure you downloaded the correct version for your camera build and then put the .bin file in a micro SD card with nothing else on it. With the camera off, insert the micro SD card...

I was running firmware v1.5 (20210315). The Viofo web site has a v1.5 with newer build date (20210515). The USB plug in my 3-in-1 has 2.4A and 1A plugs and the one that it was plugged into was only 1A.

Using the Viofo 12v USB adapter plugged into my 3-in-1 12v adapter solves the issue mostly. I had two files (one for front and one for rear) out of 116 files that were partial recordings where I lost 5 seconds and those files had a suffix with "PR" and "PF". Those occurred in 69 F weather. The...

I still see dashboard reflections with the CPL on. This CPL isn't easiliy adjustable. I would think they would make it so you could turn the polarized lens without having to pop out the lens. In any case it seems like the default position with a tiny black line on top was the best position and...

It's through cig power through a 3-in-1 12v adapter which has 4 USB ports. In my car the accessory power is on all the time and the adapter has an on/off switch. I need to test again while using Viofo's 12v USB adapter since I'm using the USB from the 3-in-1 12v with USB adapter.

My A129 Plus Duo takes about 10 seconds to boot up. Maybe different firmware versions have different boot-up times?

I experience my A129 Plus Duo crashing with H265 HEVC in 1440p 60fps (in 76 F weather) where it shuts down after recording for 15 seconds and then powers on again (which takes another 15 seconds) and records and shuts down again (and repeats)? I also have WDR enabled. I haven't tried disabling...

Try changing the light adjustment. Some action cameras like GoPro and SJCam have an option to set it to Spot, Center, or Average. I think Spot may work best for actioncam as dashcam especially if you mount the camera inside the car like under the sunroof.

The Software Agreement within the app says that personal information will be collected such as phone ID, recorder ID, and usage time. Essentially, the more info you give to the app the more they will use your data. I experienced other bugs with the app where I couldn’t connect back to the...

Resetting the camera to defaults will reset all the values back to default except for the date and time. This is the only way to fix bad WiFi password. The app or camera also does not save passwords longer than 22 characters; the camera will show 22 characters of the password but that password...

The Rexing Connect app (v1.2.6) for Android requires access to your device location, access to photos, media, and files on your device, and access to take pictures and record video. If I deny the location access, the app will not launch; it will keep asking for location access when you relaunch...

The camera formats the microSD card as vfat. This format is compatible with Linux and Windows. When I plug my separate micro USB 2.0 cable to power on the front camera from my computer, I see menu for USB Storage, USB Webcam, and CHARGE. Once you are in any of the modes, you cannot easily...

When no micro SD card is inserted and you power on the front camera, you will hear a single alert of “Please insert card” and you will see “No SD card” on the screen. When you insert the micro SD card while it is on, the camera will shutdown and restart. The supercapacitor is good to have...

The Emergency button (or when G-Force Sensitivity detects too much force) will save the previous one or two minutes plus the next 20 seconds. The G-Force Sensitivity is too sensitive even on the Low sensitivity setting and may trigger on hard bumps or even sometimes I don’t feel much of a bump...

When browsing the folder where the video files are stored, the date modified of the files do not match the time of the video watermark. The date modified of the files is the seven hours earlier than the video timestamp watermark. The timestamp watermark appears correct and will use the adjusted...

The next day the camera fell off the 3M double-sided tape but the tape held it from falling completely. I stuck the rear camera back on and the day after it still stayed stuck to the 3M tape but the second day after the 3M would fail to hold it and it would be dangling and only held by the...

The rear camera can only be tilted by about 30 degrees and can only point downward relative to the mounting point. If you were to mount it on the rear glass window then it would just be pointing at your trunk and you cannot aim it upward. The 3M double-sided tape sticks very well for the front...

The rear camera records low quality video which does not look like 1080p. Note that my car’s rear window has a dark tint like 5% or 10%. The video quality is worse than the first GoPro Hero HD which came out 10 years ago. License plates and street names are too difficult to read. The rear...