1. No device can be changed after your UDID is registered. This provision was made by Apple, not us
2. There is no system safe, revoke might happen, but likely less revoke comparing to another public sign service, don't worry, you will have our guarantee if it happened
3. You will be BANNED if share any signed IPA from NextDev VIP Channel
4. Refunds can only be done during the pre-order period with the condition that a 10% cut for admin fees