Answer
Many people are perplexed as to why they would want to Deregister a jailbroken Firestick, since this implies that their data will be deleted, which is untrue. Nothing on your device will be deleted; all of your Amazon Store apps and downloads using Downloader will continue to exist.
Deregister Amazon account on jailbroken firestick
Deregister Amazon account on jailbroken firestick
Can you deregister a jailbroken Firestick?
Many people are perplexed as to why they would want to Deregister a jailbroken Firestick, since this implies that their data will be deleted, which is untrue. Nothing on your device will be deleted; all of your Amazon Store apps and downloads using Downloader will continue to exist.
How do I unlink my Amazon FireStick?
To deregister a device: Go to Content and Devices and log in to your account. Click Devices. Select your device and click Deregister.