Q3 :   How to confirm whether i-gotU device can work without any problem?

Please confirm the following when you connect the i-gotU device with the PC:

(1) When you connect the i-gotU device with the PC, the red LED indicator will stay and the blue LED indicator blink.
(2) When you open the @trip PC software, it will detect the i-gotU device automatically.
(3) Please check the GPS Logger device driver installation.

Windows 7:
Please go to "Control Panel" choose "System", choose "Hardware", choose "Device Manager".

Windows 8/10:
Right-click or press and hold on the Start button, then select Device Management from the context menu.

there should be "GPS Logger USB COM Port(COMxx)" under "Ports (COM&LPT). (please refer to the picture below)