You can update these parameters using nRF Cloud REST API.
Example 1:
curl -X PATCH "https://api.nrfcloud.com/v1/devices/$DEVICE_ID/state" \
-H "Authorization: Bearer $API_KEY" \
-H "Content-Type: application/json" \
-d '{ "desired": { "config": { "sample_interval": 300, "storage_threshold": 1 } } }'
Example 2:
curl -X PATCH "https://api.nrfcloud.com/v1/devices/$DEVICE_ID/state" \
-H "Authorization: Bearer $API_KEY" \
-H "Content-Type: application/json" \
-d '{ "desired": { "config": { "sample_interval": 600, "storage_threshold": 6 } } }'