[Problem]: Using RTU5029S with IoT Card, The device is not online
[Problem]: Using RTU5029S with IoT Card, The device is not online
   [Problem]: Using RTU5029S, the device is equipped with a normal mobile phone card, which can be connected to the cloud platform, replaced by an IoT card, and the device is not online.
 Solution:
(1) The device should be shut down when changing cards;
(2) Switch the device on and off again, wait 1-2 minutes, wait for the device to register to the signal;
(3) Take the IoT card and put it in the mobile phone to see if it can be used normally.