FIRMWARE
Echo - 2nd Gen (2017)
- Fire OS 5.5.5.4 (680767620) (code 680767620, bundle com.amazon.radar.android.os)
https://d1s31zyz7dcc2d.cloudfront.net/b3a81477c5aebe779bc95b837e374311/update-kindle-csm_radar-288.6.8.0_user_680767620.bin - Fire OS 6.4.6.6 (NS6466/6302) (code 11712110212, bundle com.amazon.radar.android.os)
https://d1s31zyz7dcc2d.cloudfront.net/2025/4/13/a36b9ebb-4b98-4788-ac82-e7a0f2432d14/update-kindle-radar_puffin-NS6466_user_6302_0011712110212.bin - Fire OS 6.5.6.1 (NS6561/4929) (code 9698492804, bundle com.amazon.radar.android.os)
https://d1s31zyz7dcc2d.cloudfront.net/425712b2af06933df7100bc52f20086b/update-kindle-radar_puffin-NS6561_user_4929_0009698492804.bin - Fire OS 6.5.6.6 (NS6566/6813) (code 11779349892, bundle com.amazon.radar.android.os)
https://d1s31zyz7dcc2d.cloudfront.net/2025/5/15/0f8045ed-9120-4f00-9a3b-39fcd5dd7c14/update-kindle-radar_puffin-NS6566_user_6813_0011779349892.bin