My mobile phone Samsung 7562I lost itself when I met the short message in my mobile phone. It's all deleted Contacts also disappear from time to time.

According to your description, I suggest you try the following methods:

1. Settings-Application Manager-Slide Screen Options (All)-Find Information-Click Enter to clear the data and try again.

2. Try to replace another SIM card.

3. Check whether the mobile phone is equipped with security guards or third-party SMS software, and test it after unloading.

4. Check whether the mobile phone has any remaining storage space.

5. Back up mobile phone data (phone book, SMS, multimedia files, etc.). ) and restore the factory settings.

If the above methods are still ineffective and there is no improvement, please send the equipment to Samsung Service Center, and the engineer will check the machine and handle it.

Please click the following link to find out the specific location of Samsung Service Center:

. Samsung . com/support/service locations . ASP

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