Cloud 10.7.0.300 or later:

Go to Settings > Log in with HUAWEI ID > Cloud > Upgrade cloud storage space > Manage > Order history. You will then be able to find all your purchase history, including your plan and its duration, transaction time, and transaction amount.

Cloud 10.6.2.300 or a later version that is earlier than 10.7.0.300:

Go to Settings > Log in with HUAWEI ID > Cloud > Upgrade cloud storage space, touch the three-dot menu in the upper right corner, and touch Order history. You will then be able to find all your purchase history, including your plan and its duration, transaction time, and transaction amount.

For versions of Cloud earlier than 10.6.2.300:

Go to Settings > Log in with HUAWEI ID > Cloud > Manage storage > Upgrade cloud storage space, touch the three-dot menu in the upper right corner, and touch Order history. You will then be able to find all your purchase history, including your plan and its duration, transaction time, and transaction amount.