I've been a customer since April 2016 (with a Nexus 5, moto x4 and a Pixel 3 XL) and I've been very happy with Project Fi. Their service and support have been

I've been a customer since April 2016 (with a Nexus 5, moto x4 and a Pixel 3 XL) and I've been very happy with Project Fi. Their service and support have been wonderful, including replacing a device twice (with overnight shipping) free of charge, outside of warranty. I haven't had a desire to cancel my service, so I can't help you with the cancel button being missing. :)