Why Is My Ipad Not Working With Headphones. Also make sure volume is full on your device. If the headphones still not be detected it could be a software malfunction of iOS like iPhone stuck in headphones mode.
You can use a toothbrush or vacuum cleaner to clean the jack and port. The iPad is unable to play sound maybe because its charging port or headphone jack is nasty. Also make sure volume is full on your device.
To see if this is the problem try rebooting your iPhone or iPad.
Clean the Headphone Jack. If the headphones still not be detected it could be a software malfunction of iOS like iPhone stuck in headphones mode. Take your logs and turn them into heirlooms. The headphone jack is water damaged or get other physical damages.