FIRMWARE
Echo Input (2018)
- Fire OS 6.5.7.2 (NS6572/6425) (code 12718774660, bundle com.amazon.cupcake.android.os)
https://d1s31zyz7dcc2d.cloudfront.net/2026/3/6/4d89d820-7e3b-45a3-9304-87ade67787e7/update-kindle-cupcake-NS6572_user_6425_0012718774660.bin
Echo Show 5 - 2nd Gen (2021)
- Fire OS 6.5.7.2 (NS6572/6426) (code 12718774916, bundle com.amazon.cronos.android.os)
https://d1s31zyz7dcc2d.cloudfront.net/2026/3/7/546c2f27-5908-4d3f-bcb5-ef20d4a11bfe/update-kindle-cronos-NS6572_user_6426_0012718774916.bin