Draft:List of Fire OS versions

The releases are categorized by major Fire OS versions based upon a certain Android codebase first and then sorted chronologically.


 * Fire OS 1 – based on Android 2.3 Gingerbread
 * system version = 6.3.1
 * system version = 6.3.2 – longer movie rentals, Amazon cloud synchronization
 * system version = 6.3.4 – latest version for Kindle Fire (1st Generation) (2011)


 * Fire OS 2 – based on Android 4.0 Ice Cream Sandwich
 * system version = 7.5.1 – latest version for Kindle Fire HD (2nd Generation) (7" 2012)
 * system version = 8.5.1 – latest version for Kindle Fire HD 8.9" (2nd Generation) (2012)
 * system version = 10.5.1 – latest version for Kindle Fire (2nd Generation) (2012)


 * Fire OS 2.4 – based on Android 4.0.3(?)


 * Fire OS 3 Mojito – based on Android 4.2 Jelly Bean
 * 3.1
 * 3.2.8 – rollback point for Kindle Fire HDX (2013)
 * 3.5.0 – introduces support for Fire Phone; Android 4.2.2 codebase
 * 3.5.1 – Fire Phone maintenance version


 * Fire OS 4 Sangria – based on Android 4.4 KitKat
 * 4.1.1
 * 4.5.5.1
 * 4.5.5.2
 * 4.5.5.3 – latest version for some tablets released in 2013, Kindle Fire HDX (3rd Generation), Kindle Fire HDX 8.9" (3rd Generation), Kindle Fire HD (3rd Generation)
 * 4.5.5.5 – latest version for some tablets released in 2013 (e.g. some Kindle Fire tablets of 3rd Generation)
 * 4.6.6.0 – Fire Phone
 * 4.6.6.1 – latest version for the Fire Phone


 * Fire OS 5 Bellini – based on Android 5.1.1 Lollipop
 * 5.0
 * 5.0.5.1 – introduction of Fire TV
 * 5.0.1
 * 5.1.1
 * 5.1.2
 * 5.1.2.1
 * 5.1.4
 * 5.2.1.0 – Fire TV devices
 * 5.2.1.1
 * 5.2.1.2
 * 5.2.4.0
 * 5.2.6.0
 * 5.2.6.1
 * 5.2.6.2
 * 5.2.8.4
 * 5.3.1.0
 * 5.3.1.1 – August 2016
 * 5.3.2.0 – November 2016
 * 5.3.2.1 – December 2016
 * 5.3.3.0 – March 2017
 * 5.3.6.4 – version for Fire HD 8 (6th Generation)
 * 5.3.6.8
 * 5.3.7.0
 * 5.3.7.1
 * 5.3.7.2 – for Fire HD 8 & Fire HD 10 (7th Generation)
 * 5.4.0.0 – June 2017
 * 5.4.0.1 – August 2017
 * 5.5.0.0 – November 2017: Only for Fire HD 10 (2017) with hands-free Alexa
 * 5.6.0.0 – November 2017
 * 5.6.0.1 – January 2018
 * 5.6.1.0 – March 2018: version for tablets released in 2014 (e.g. some Fire tablets of 4th Generation)
 * 5.6.2.0 – July 2018: Hands-Free Alexa For Fire 7 & HD 8 (2017) only
 * 5.6.2.3 – April 2018: Latest version for first and second generation Fire TV devices
 * 5.6.3.0 – November 2018: for Fire 7 (5th to 7th Generation); Due to a mistake, this version was accidentally released as 5.3.6.4 on some Fire tablets instead of 5.6.3.0, but includes the same update features.
 * 5.6.3.8 – April 2019
 * 5.6.4.0 – May 2019, September 2019: for Fire HD 8
 * 5.6.6.0 – May 2020
 * 5.6.7.0 – August 2020
 * 5.6.8.0 – November 2020: Latest version for Fire (5th Generation), Fire HD 6 (4th Generation), Fire HD 7 (4th Generation), Fire HD 8 (5th and 6th Generation), and Fire HD 10 (5th Generation)
 * 5.6.9.0 - December 2020
 * 5.7.0.0 – February 2022: Latest version for Fire HDX 8.9 (4th Generation), Fire (7th Generation), Fire HD 8 (7th Generation), and Fire HD 10 (7th Generation)
 * 5.8.6.8 – July 2019
 * 5.8.7.9 – August 2019
 * 5.7.8.2 – September 2019


 * Fire OS 6 – based on Android 7.1.2 Nougat
 * 6.2.1.0 – October 2017, released on third generation Fire TV
 * 6.2.1.2 – December 2017
 * 6.2.1.3 – May 2018
 * 6.3.0.1 – November 2018
 * 6.3.1.2 – July 2019: version for Fire 7 (9th Generation)
 * 6.3.1.3 (information needed)
 * 6.3.1.4 (information needed)
 * 6.3.1.5 – September 2019: last version of FireOS 6 for Fire HD 8 (8th generation)
 * 6.5.3.4 – September 2019: Last version for Fire 7 (7th generation)
 * 6.5.3.5 – November 2019


 * Fire OS 7 – based on Android 9.0 Pie
 * 7.3.1.0 – October 2019: First version for Fire HD 10 (9th Generation)
 * 7.3.1.1 – October 2019: Second version for Fire HD 10 (9th Generation)
 * 7.3.1.2 – February 2020: Third version for Fire HD 10 (9th Generation)
 * 7.3.1.3 – April 2020: Fourth version for Fire HD 10 (9th Generation)
 * 7.3.1.4 – June 2020: Fifth version for Fire HD 10 (9th Generation)
 * 7.3.1.5 – August 2020: First version of FireOS 7 for Fire HD 8 (8th Generation)
 * 7.3.1.6 – October 2020
 * 7.3.1.7 – November 2020
 * 7.3.1.8 – February 2021
 * 7.3.1.9 – May 2021
 * 7.3.2.1 – September 2021
 * 7.3.2.2 – November 2021
 * 7.3.2.3 – May 2022
 * 7.3.2.4 – August 2022
 * 7.3.2.6 – November 2022
 * 7.3.2.7 – February 2023 The deletion of skippable ads
 * 7.3.2.8 - April 19, 2023 Latest version for 8th, 9th, 10th and 11th Generation Fire Tablets


 * Fire OS 8 - based on Android 11 (Red Velvet Cake )
 * 8.3.1.0 - June? 2022: Included on some 12th Gen Fire 7 units out of the box
 * 8.3.1.1 – June 28, 2022: Known first version for the 12th Generation Fire 7
 * 8.3.1.2 - September?, 2022
 * 8.3.1.3 - November 26, 2022
 * 8.3.1.4 - March 7, 2023:
 * 8.3.1.9 - April 28, 2023:
 * 8.3.2.0 - September 24, 2023: Latest version for 12th Generation Fire Tablets