amazon Q and A: I have more than one Amazon account, which one is eligible for one year of Prime? When registering your device, you will be prompted to enter your Amazon account information. We will apply a full year Prime membership to this account. What if I use my Fire but then later decide to give or sell it to another person? Do they get a year of Prime as well? No, only the first Amazon account registered to your Fire (during the promotional period) will get a year of Prime applied. 其实他们寄给你的时候,已经register了(所以那时你的prime已经active),但是如 果你要是没开封就卖,人家拿着电话就可以直接用电话买东西了。 所以我就show给买主看,在他面前开盒,然后用hotspot联网,开机后,deregister, 然后再reset device,然后钱货两清。