In this case, it is necessary to judge the mobile phone after on-site detection. It is generally recommended that the mobile phone be sent to the nearest service center for testing, and the service center will determine the specific problems of the mobile phone, accessories, whether it is in the scope of repair and repair price according to the test results. The address information of Samsung Service Center\/customer service phone number can be queried by the following methods: Please visit the service center page of Samsung official website, select the product you want to query and the province and city to search. Tip: If there is no service center in your city, please contact the after-sales service center in the surrounding city first to ask whether you can send or express the way to test and repair.