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Samsung 9300 mobile phone sometimes can't receive information. What's the matter with calling to remind you?

Dear Samsung users, hello:

According to your description, you can try:

1. Restart the phone (so that the phone can search and register again)

2. Under the standby desktop-click Application-Settings-More-Mobile Network-Network Operator-Search Network-Select the network operator supported by your SIM card.

3. Clean the metal contacts of the sim card with rubber (whether the SIM card is in poor contact).

4. Try to replace the sim card (regardless of whether the SIM card is aging or damaged).

If the problem still exists, it is recommended that you send your mobile phone to the nearest Samsung service center for testing and maintenance.

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.