Normally, iGPSPORT bike computers will show speed once it starts recording.
To further fix the problem, pls help to try the following aspects:
1. Pls help to make sure the GPS signal is well located.
How to search satellite signals?
Bike computers will search satellite signals automatically when powering on.
Please make sure the device is outdoor and under a clear view of the sky.
Usually it may take 30 to 120 seconds to locate satellite signals. Remain stationary when acquiring satellite signals.
The time and date will be calibrated automatically after satellite signals are located.
2. Pls help to press the left button to start recording.