When the newly bought 9300 received the SMS, it didn't prompt the new SMS, and there was no sound prompt and vibration. The notification in the short message was turned on.

Hello, thank you for choosing Samsung products.

According to your description, I suggest you try the operation according to the following steps:

First, check whether the phone is set to mute and turn on the sound.

1. In standby mode, slide down the curtain at the top of the screen with your finger.

2. Click the mute icon. When the icon turns to the green "sound" state, it means that the sound prompt has been turned on.

2. If the voice is turned on, but the message is still silent, please check whether the notification option is turned on.

1. In standby mode, click Info.

2. Click the menu button in the lower left corner.

3. Click Settings.

4. Slide your finger on the phone screen to find "Notification".

5. Click the notice, and the green "√" indicates opening. Open it.

6. Click to select the ringtone.

7. Select the required ringtone (take "beep" as an example below) and click "beep".

8. Click OK.

Third, check whether the notification volume of the side volume key is turned on.

1. Under the standby page, click Application.

2. Click Settings.

3. Click on the sound.

4. Click on the volume.

5. Slide the notification volume to the right to the desired volume.

6. Click OK.

Tip: If the above methods can't be solved, please back up your mobile phone data and restore the factory settings. Please click here to learn about the recovery method.

If the problem still exists, it is recommended that you take the purchase invoice and warranty card and send your mobile phone to the nearest Samsung service center for testing. Please visit the address and telephone number of the specific service center: (It is recommended that you contact the service center before going)

/support/location/supportservicelocation . do？ Page = service. Location and place. cid = cn _ PPC _ support _ service _ repair net _ 120522

Welcome to Samsung digital service platform to ask questions: /ask/

Thank you for your support and wish you a happy life!