1) Select [Cloud] under the APP, select [Cloud storage], select the corresponding bound device and its plan information
2) Click [Extend] and select corresponding plan to pay according to the system prompts
3) After successful payment, you can see the expiry date of the plan has been changed onn the plan information interface
Note: Extend the plan can only extend the use time of the plan. If you need to change another plan, please wait for your current plan to expire before buying a different one
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