GEO-PULSE devices automatically send data every 5 minutes and any GEO-PULSE device that reports 5 or more unique geo-coordinates within 24 hours will earn $IOTX tokens.
Read more from IoTeX: https://iotex.io/blog/iotex-geodnet-geo-pulse-with-ioid-is-live/
If you are still having issues, please reach out to support@geodnet.com with your SN and IoTeX wallet adddress.