In case your device is offline and not connected to any Wi-Fi or mobile phone provider, you will see Offline in the left lower corner of the Scan2Lead SMART app. The number in the red circle informs about the number of data resting on your device.
By touching the number in the red circle, you will see the queued information that needs to be uploaded when getting online.
You can continue to capture data as long as required.
Note: To manage the captured data in the Scan2Lead PORTAL your device has to get Online to synchronize the data to the server!