Hi michaelwgnr! If you modify the p_service_uuid parameter to NULL, it works. I know that is not the best solution but to try and play .... static esp_ble_adv_data_t test_adv_data = { .set_scan_rsp = false, .include_name = true, .include_txpower = true, .min_interval = 0x20, .max_interval = 0x40, .a...