If you have upgraded to iOS 10.3 or higher, the app should work. If you still have trouble and it’s a Rachio 3 or 3e, see
for using your computer to configure Wi-Fi on the controller. Once it’s on your network, you should be able to access it at
from either the computer or the iPhone.
If the above fails or is inapplicable, borrow another phone or tablet to configure the device. Even an old phone without a SIM card should be ok, as long as it can connect to Wi-Fi and install the app.
