Hello, thanks for reaching out to us with your question about the Samsung Galaxy Watch Ultra. First, you would need to purchase the advertised Galaxy Watch Ultra to be eligible for this promotion. Then, to take advantage of this promotion through Google Fi, please make sure to update your watch in the Galaxy Wearable app when update is available. Once your device has been updated, please open the Galaxy Wearable app, navigate to your watch settings, then to mobile plans, and finally Setup mobile plans. *Google Fi phone plan not required. No changes to your current phone number or plan required. 4G data speed is included with the offer up to 500 MB per month, after which usage, data will slow to 256 kbps. Data will be capped at 1 GB per month. Voice calling over LTE is not supported. If you have additional questions, please do not hesitate to reach out to Support. Thank you for being a valued Samsung customer. - Debra