Every time my Nokia 6300 is turned on, the messages in my inbox will be emptied. It's been more exaggerated recently. Every time I answer the phone, ...

Soft grid, backup the important files stored in business cards and mobile phones, take out the miniSD card, enter *#7370# and the default password is 12345, prompting whether to restore the factory settings (in fact, this is not only setting recovery, but also the whole system recovery). , and then re-write the system after formatting, and it will automatically restart. Then it should work normally.