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Here are the steps:
1, Checking the gps antenna connection, put the gps antenna on the dashboard close to the window shield, and wait a few minutes.
2, Uninstall the GPS antenna, Keep the car power off, install it and screw it tight
3, Park the car in open air , Install the “Cronus viewer” software
4, Take photos about GPS signal software and the system information like the pictures below, and sent them to us