Upgading from the A129 to the A139 Pro?Updated 6 months ago
Unfortunately, if you are thinking of upgrading to the VIOFO A139 3-CH from the A129 Series or other VIOFO dual-channel systems, you will need to replace all the existing VIOFO cameras and cables.
New Power Cable
The VIOFO A139 3-CH uses a USB-C power cable with a smaller, reversible connector, which is entirely different from the power cable used by other VIOFO models. If you are planning on hardwiring the dash cam, you will also need to grab a new hardwiring kit as the old hardwiring cable won't fit into the power port on the A139 3CH.
New Coaxial Cables
The A139 3CH uses an ultra-slim coaxial connecting cable with miniature connectors for the interior and rear cameras. Again, these are also entirely different from the coaxial cables used by other VIOFO dual-channel models.
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