Hello, OscarMauricioCamargoPearanda ,
Please write us to email@example.com indicating login, unit ID and link to this topic.
Then we can check your issue additionally.
By the way, In this case, first of all, check on the tracker side:
1) SIM card balance and traffic limits on it
2) Data sending intervals and tracker operation mode
The tracker may have entered sleep mode or some settings have gone wrong.
This is the most common problems, which could be the cause of a situation like yours.
On our part, we want to assure you that there were no problems with receiving data from devices.