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What if the number of SMS messages exceeds 140? Is there a charge for MMS?

Dear Samsung users, hello:

If the SMS sent by your mobile phone is automatically changed to MMS, when the number of SMS exceeds 10 (670 Chinese characters), it will be automatically changed to MMS. This phenomenon is normal, please feel free to use it. If the number of characters does not exceed 10(670 Chinese characters), we suggest you try the following methods:

1. Uninstall the recently downloaded and installed third-party software.

2. Try changing a SIM card.

3. Try to restore the factory settings.

If the problem still exists after the above operation, it is recommended that you bring the purchase invoice, three-guarantee certificate and mobile phone to the local Samsung service center for inspection by engineers.

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