Please go to settings cellular scroll down to bottom of page turn of wifi assist. It will jump over to lte or 4g data when slowed enough over wifi, causing firmware failures and phantom 3 standard app disconnects during flight. This will fix those problems. Your iOS device will not find you phantom on the cellular network. No yet anyway, maybe someday soon! Unlimited range!

Supposed to say fix in title, and not yet anyway about cellular, can't find a revise feature for post