It is highly recommended that you use an external memory card due to the large amount of space necessary to collect data using RoadSense.
To ensure the best result in Data Collection, it is best to record with a microSD card that has a capacity no less than 128 GB of storage.
Here is an example of what they look like:
If you cannot use an external memory card, please be sure there is enough space available on the local storage on the device.
A 6-8 hour collection can be between 40 and 60 GB of data to upload.