I have an iPhone SE. I normally have no problem opening the door even if it just locked a moment ago. Except that on rare occasions it does not unlock and I have to use the key card. And on other rare occasions it unlocks but demands the key card to drive. Sometimes it demands the key card to unlock but not to drive.
But most of the time the phone works.
On the most recent firmware version before this one (I think that was 28.1) the phone would unlock the car ONLY if I opened the driver's door before trying any other door. If I tried any other door, then the driver's door would not open and I had to unlock the car with the key card. And the phone, which otherwise unlocked the car, would not connect to the audio system. But both those problems went away with the current version (32.2)
But most of the time the phone works.
On the most recent firmware version before this one (I think that was 28.1) the phone would unlock the car ONLY if I opened the driver's door before trying any other door. If I tried any other door, then the driver's door would not open and I had to unlock the car with the key card. And the phone, which otherwise unlocked the car, would not connect to the audio system. But both those problems went away with the current version (32.2)