We calculate paid period by natural month. You could make purchase accordingly.

You could upgrade plan to have more data storage, the upgraded plan would be effective from 1st of coming month. You could purchase monthly data pack to have more storage. The monthly data pack would be effective immediately.

Yes, it could. Plan upgrade is also highly recommended.

Your paid plan would be effective immediately once payment is made. For users to purchase same plan, the effective date would be updated once renewal purchase is made.

After you purchase the more advanced paid plan, the more advanced plan would be effective on the first day of coming month. The remaining plan before upgrade would become your credit to offset upgrade plan bill.

Monthly data pack is effective throughout the paid month and could not accumulate to next month. We could recommend to upgrade plan for better experience.

Your online bill would be generated automatically in system billing module. For Chinese mainland users, we offer VAT fapiao. Simply contact our online customer success.

We accept credit cards, paypal and alipay. For enterprise orders made by Chinese mainland users, we also accept bank transfers.

If for any reason, you are not satisfied with your purchase, simply contact our online customer success team and we would arrange refund within 30 days.