After Samsung S4 updates 4.4.2, the short press of the home button is invalid, and the virtual button of the auxiliary menu returning to the desktop in the auxiliary function is also invalid.

Dear Samsung users, hello:

From your description, I suggest you:

1. Restart the machine and try.

2. After uninstalling the recently installed third-party software, observe whether it is a software conflict, such as mobile phone housekeeper, games and other software.

3. Back up mobile phone data (phone book, SMS, multimedia files, etc.). ) and restore the factory settings (enter mobile phone settings-account-reset-restore the factory settings).

If the problem of restoring factory settings still exists, it is recommended to send the mobile phone to the nearest Samsung service center for testing and further processing.

It is recommended that you apply for "booking to the store" in Samsung official website and enjoy priority maintenance service:/pre-order.

After the appointment is successful, please bring your machine, invoice and warranty card to the service center you reserved on time.

If you have any comments, suggestions and comments, please click: support.samsung.com.cn/survey.

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