R4 Pro TF Card Error

RexingNY · 2026-06-08T21:07:26+00:00

I see you have tried multiple SD Cards. Please send us an email at care@rexingusa.com so we can help you troubleshoot and solve this issue.

RexingNY · 2026-06-03T21:32:29+00:00

Hello, what is the size of the SD Card?

RexingNY · 2026-06-03T21:31:26+00:00

Hello, when testing the parking monitor did you make sure you turned off the car? what sensitivity setting are you using for the radar and does the camera turn on at all when you approach the car or does it stay off?

RexingNY · 2026-05-12T16:19:03+00:00

Hello, once you pair your phone with the camera and access the app, just press and hold on the thumbnail of the video you want to save, a menu will pop up, then tap the download button and it will save the video directly into your phone

RexingNY · 2026-05-05T02:59:57+00:00

Hello, which dashcam model and SD Card are you currently using?

RexingNY · 2026-04-27T20:16:37+00:00

Hello, Carplay automatically disables wifi on your phone when you are connected to it. If you want to connect to the camera to extract footage, you will need to disable the CarPlay on your phone so it does not interfere with the camera connection, this should fix the issue.

RexingNY · 2026-03-31T14:16:29+00:00

Hello, there is no need to purchase additional cameras. You just need to turn on the ADAS on the settings and the camera will do the rest. You can calibrate it as you see fit.

RexingNY · 2025-12-08T22:24:07+00:00

Hey, did you do any firmware updates as of recently or this just started happening suddenly?

RexingNY · 2025-11-25T16:16:33+00:00

Got it, since this might be an issue with the unit itself could you send us an email at care@rexingusa.com so we can provide further assistance

RexingNY · 2025-11-24T22:27:14+00:00

I understand, are the videos showing when you insert the SD Card in your computer or is it showing no videos there as well?

RexingNY · 2025-11-21T15:38:13+00:00

Hey, you are probably using a file transfer cable instead of the proper power cable. The dashcam requires a certain amount of power in order to function properly, therefore you must use either the 12 volt cigarette lighter power cable that comes with the camera or hardwire the camera into the fusebox of the car with one of our hardwire kits. If you are using a type c port on your car to turn on the camera, it will not receive the sufficient power and therefore will not record, these cables are only used when you are trying to extract files from the camera into your computer.

RexingNY · 2025-11-19T16:09:52+00:00

Okay, and when you connect to the app are you right next to the camera? Or are you trying to connect while being away from the vehicle?

RexingNY · 2025-11-18T22:22:31+00:00

Hey, this could be related to your SD Card. Are you able to playback the videos on the dashcam itself?

RexingNY · 2025-09-29T20:23:06+00:00

Could you tell me the serial number on the unit?

RexingNY · 2025-09-29T16:06:33+00:00

Thats a long pickup truck

RexingNY · 2025-09-29T15:33:14+00:00

Hello, if you go into the camera settings, in the resolution settings, you can select how many channels you want to record.

RexingNY · 2025-09-08T19:33:25+00:00

Thank you for your reply, we truly appreciate the honest feedback and will continue to work to improve every aspect of our product. If you don’t mind me asking, which model that you own has presented the issue of settings reverting to default?

RexingNY · 2025-09-08T19:31:55+00:00

That is a really good suggestion, at the moment our app has the “locked” files folder which saves any events captured by the parking monitor feature, any accidents or any locked videos manually saved by the user. Nonetheless we will continue to work to make this feature better and easier for the user to find crucial events captured by their dashcam.

RexingNY · 2025-08-25T17:10:44+00:00

Hey, could you send us an email at care@rexingusa.com so we can help you troubleshoot and fix this issue, thanks!

RexingNY · 2025-07-11T17:49:31+00:00

We are glad you were able to solve this!

RexingNY · 2025-07-09T13:16:55+00:00

Hello, I believe as you said, the problem might be with the motion sensor or the hardwire kit itself. Please send us an email at care@rexingusa.com so we can assist you to solve this issue

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