FIRMWARE
Echo Input (2018)
- Fire OS 6.5.7.1 (NS6571/6220) (code 12584504452, bundle com.amazon.cupcake.android.os)
https://d1s31zyz7dcc2d.cloudfront.net/2026/1/17/b9a8683b-27c6-4623-946a-6d445d33c837/update-kindle-cupcake-NS6571_user_6220_0012584504452.bin
Fire TV Stick 4K Max - 1st Gen (2021)
- Fire OS 7.7.1.1 (PS7711/5272) (code 34763741316, bundle com.amazon.kara.android.os)
https://d1s31zyz7dcc2d.cloudfront.net/2026/1/7/3e1b2541-3231-498c-95ba-ca60c79cae63/update-kindle-kara-PS7711_user_5272_0034763741316.bin