Dear user, thanks for reaching out to us. We are sorry for the inconvenience caused. Since you are visiting our enterprise product page, we would suggest a visit to our page dedicated to persoal devices to better solve this question. We have Huawei Community support (
https://consumer.huawei.com/en/community/list/?forumId=10014 ) where you can get the answer online, and also service hotline for each country or region. You can get the regional hotline number in
https://consumer.huawei.com/en/support/hotline.