FIRMWARE
Echo Input (2018)
- Fire OS 6.5.7.3 (NS6573/7576) (code 12920395908, bundle com.amazon.cupcake.android.os)
https://d1s31zyz7dcc2d.cloudfront.net/2026/6/11/002ea7d7-b28c-4009-aefb-764c7256637c/update-kindle-cupcake-NS6573_user_7576_0012920395908.bin
Echo Show 5 - 1st Gen (2019)
- Fire OS 6.5.7.3 (NS6573/7577) (code 12920396164, bundle com.amazon.checkers.android.os)
https://d1s31zyz7dcc2d.cloudfront.net/2026/6/12/297fc9d7-b9be-4d35-85f7-e4a1331f49e4/update-kindle-checkers-NS6573_user_7577_0012920396164.bin
Echo Show 8 - 1st Gen (2019)
- Fire OS 6.5.7.3 (NS6573/7577) (code 12920396164, bundle com.amazon.crown.android.os)
https://d1s31zyz7dcc2d.cloudfront.net/2026/6/12/b3ec5e77-b40f-4097-803c-8f5d810d29e4/update-kindle-crown-NS6573_user_7577_0012920396164.bin
Fire TV Stick - 3rd Gen (2020)
- Fire OS 7.7.1.4 (PS7714/5504) (code 35602661508, bundle com.amazon.sheldonp.android.os)
https://d1s31zyz7dcc2d.cloudfront.net/2026/6/5/cd65e314-d630-4cc0-8853-824b18be60b7/update-kindle-sheldonp-PS7714_user_5504_0035602661508.bin