# 账号管理类
- **[账号登录失败怎么办](https://support.huaweicloud.com/iam_faq/iam_01_0616.html)**   
- **[升级华为账号失败怎么办](https://support.huaweicloud.com/iam_faq/iam_01_0614.html)**   
- **[升级华为账号后，还可以用原华为云账号登录吗](https://support.huaweicloud.com/iam_faq/iam_01_0622.html)**   
- **[华为账号修改联系方式同步至IAM失败怎么办](https://support.huaweicloud.com/iam_faq/iam_01_0726.html)**