Why screen and calls may appear to turn off or end unexpectedly

Galaxy Z Flip devices include a sensor that detects magnets and recognises whether the device is fully folded or unfolded. If magnetic objects such as magnetic phone cases, magnetic stickers, or golf ball markers are placed near the device, it may incorrectly recognise itself as folded even when it is open.

If you use magnetic accessories near the device, turning off the Close phone to end calls setting may help prevent calls from ending unexpectedly.