What if there is no sound in Samsung's SMS?

1. Try to reset SMS: Info-Menu-Settings-Notification Check, and select ringtone.

2. Check whether the phone is turned on in silent mode, and pull down the top curtain to turn the sound green.

3. SMS-Menu button-Settings-Notification-Check.

The screen of Samsung mobile phone is always on. Solution:

When "Never Sleep" is turned on, the screen will automatically lock when you select the sleep time. The operation steps are as follows:

1. Click the desktop to enter the settings application.

2. Click to enter the screen display option.

3. Click to enter the automatic locking option.

4. Select the time when you need to lock the screen automatically.