Earphone mode can not quit

Solutions:
1. Restart the phone.
2. It is recommended to check whether there is any foreign matter in the headphone jack, clean the headphone jack and restart the phone.
3. Insert the earphone (the earphone hole is round hole and supports 3mm earphone of American standard; type-C earphone without round hole), and try whether it can be used normally.
4. Backup the phone data, empty the data, and try after update the system.
If the above methods fail, it is advised to take mobile phones to Xiaomi authorized after-sales center for inspection