You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
I also have same issue. I redeemed powerwall 2 on 3rd April 2018. Till date I have no communication. I tried contacting several times through email but no response. I dont know what else to do?????