In case if you want to change Wi-Fi Passwords to Amazon by re-running any compatible device through its Wi-Fi Setup process. Once reconnected to your Wi-Fi network, then your updated Wi-Fi password will be automatically saved to Amazon Account. in order to get more detail of Amazon Fire Stick user need to make call on the Amazon Fire TV Support Number 1866-947-8499 and get the best possible solution in the mean time and you can call us at any time.