Why your iPhone is stuck in Headphone Mode
If you device is stuck on headphone mode even after having disconnected the headphone jack, your iOS may be experiencing a simple software bug. Although the main reason is relatively unknown, there are several actions you can take that can cause it to occur;
When you disconnect your headphone or speakers too quickly.
It can also happen when you disconnect the headphones or speakers when the device is busy.
When you use low-quality headphones or headpho...