FAQ
Upgrade Subscription FAQ
The following two situations may occur during the subscription process. Of course, they happen occasionally. There is a 3% probability of encountering this problem. Rest assured, it can be solved. For everyone's convenience, I write down the solution:
1. The payment fails and the subscription fails all the time?
2. After the payment is successful, the subscription does not take effect, the subscription is invalid, and multiple devices share permissions?

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