How can I upgrade Stock firmware with Ac51u? 2024

Last update:

Ac51u Stock firmware



The free download Stock firmware APK file for Ac51u on android: Q, KitKat, Oreo, Lollipop, Lollipop, Pie, Nougat, Marshmallow.



Select your android version:

Android Gingerbread 2.3.3 - 2.3.7 2010 year

  • ‎App Name‎: FirmwareAndroid_6.1.APK
  • Languages: English , Multi-language
  • File Size: 9.74 MB
  • Last update: 13 January 2024
  • File Type: application/vnd.android.package-archive
  • Version: 6.1
  • Downloads: 89 857


Download Now






Android Ice Cream Sandwich 4.0.3 - 4.0.4 2011 year

  • ‎App Name‎: FirmwareAndroid_4.1.APK
  • Languages: English , Multi-language
  • File Size: 4.94 MB
  • Last update: 22 December 2023
  • File Type: application/vnd.android.package-archive
  • Version: 4.1
  • Downloads: 56 456


Download Now






Android Jelly Bean 4.1.x 2012 year

  • ‎App Name‎: FirmwareAndroid_1.9.APK
  • Languages: English , Multi-language
  • File Size: 9.06 MB
  • Last update: 03 February 2024
  • File Type: application/vnd.android.package-archive
  • Version: 1.9
  • Downloads: 67 214


Download Now






Android Jelly Bean 4.2.x 2012 year

  • ‎App Name‎: FirmwareAndroid_7.7.APK
  • Languages: English , Multi-language
  • File Size: 7.67 MB
  • Last update: 25 February 2024
  • File Type: application/vnd.android.package-archive
  • Version: 7.7
  • Downloads: 17 644


Download Now






Android Jelly Bean 4.3 2013 year

  • ‎App Name‎: FirmwareAndroid_2.9.APK
  • Languages: English , Multi-language
  • File Size: 4.27 MB
  • Last update: 23 March 2024
  • File Type: application/vnd.android.package-archive
  • Version: 2.9
  • Downloads: 56 208


Download Now






Android KitKat 4.4 2013 year

  • ‎App Name‎: FirmwareAndroid_6.8.APK
  • Languages: English , Multi-language
  • File Size: 5.22 MB
  • Last update: 03 February 2024
  • File Type: application/vnd.android.package-archive
  • Version: 6.8
  • Downloads: 64 757


Download Now






Android Lollipop 5.0 2014 year

  • ‎App Name‎: FirmwareAndroid_7.APK
  • Languages: English , Multi-language
  • File Size: 9.83 MB
  • Last update: 13 February 2024
  • File Type: application/vnd.android.package-archive
  • Version: 7
  • Downloads: 22 604


Download Now






Android Lollipop 5.1 2015 year

  • ‎App Name‎: FirmwareAndroid_4.2.APK
  • Languages: English , Multi-language
  • File Size: 3.03 MB
  • Last update: 18 December 2023
  • File Type: application/vnd.android.package-archive
  • Version: 4.2
  • Downloads: 65 363


Download Now






Android Marshmallow 6.0 2015 year

  • ‎App Name‎: FirmwareAndroid_6.5.APK
  • Languages: English , Multi-language
  • File Size: 5.58 MB
  • Last update: 18 January 2024
  • File Type: application/vnd.android.package-archive
  • Version: 6.5
  • Downloads: 70 513


Download Now






Android Nougat 7.0 2016 year

  • ‎App Name‎: FirmwareAndroid_8.6.APK
  • Languages: English , Multi-language
  • File Size: 3.14 MB
  • Last update: 01 March 2024
  • File Type: application/vnd.android.package-archive
  • Version: 8.6
  • Downloads: 43 403


Download Now






Android Nougat 7.1 2016 year

  • ‎App Name‎: FirmwareAndroid_4.8.APK
  • Languages: English , Multi-language
  • File Size: 8.6 MB
  • Last update: 11 December 2023
  • File Type: application/vnd.android.package-archive
  • Version: 4.8
  • Downloads: 81 244


Download Now






Android Oreo 8.0 2017 year

  • ‎App Name‎: FirmwareAndroid_9.6.APK
  • Languages: English , Multi-language
  • File Size: 3.22 MB
  • Last update: 19 January 2024
  • File Type: application/vnd.android.package-archive
  • Version: 9.6
  • Downloads: 15 768


Download Now






Android Oreo 8.1 2017 year

  • ‎App Name‎: FirmwareAndroid_4.9.APK
  • Languages: English , Multi-language
  • File Size: 7.88 MB
  • Last update: 04 March 2024
  • File Type: application/vnd.android.package-archive
  • Version: 4.9
  • Downloads: 50 140


Download Now






Android Pie 9.0 2018 year

  • ‎App Name‎: FirmwareAndroid_5.6.APK
  • Languages: English , Multi-language
  • File Size: 9.83 MB
  • Last update: 13 December 2023
  • File Type: application/vnd.android.package-archive
  • Version: 5.6
  • Downloads: 28 023


Download Now






Android Q 10.0 2019 year

  • ‎App Name‎: FirmwareAndroid_2.1.APK
  • Languages: English , Multi-language
  • File Size: 2.81 MB
  • Last update: 26 February 2024
  • File Type: application/vnd.android.package-archive
  • Version: 2.1
  • Downloads: 49 681


Download Now






Android 11 2020 year

  • ‎App Name‎: FirmwareAndroid_4.8.APK
  • Languages: English , Multi-language
  • File Size: 2.51 MB
  • Last update: 18 April 2024
  • File Type: application/vnd.android.package-archive
  • Version: 4.8
  • Downloads: 50 379


Download Now






Android 12 2021 year

  • ‎App Name‎: FirmwareAndroid_7.2.APK
  • Languages: English , Multi-language
  • File Size: 3.65 MB
  • Last update: 30 March 2024
  • File Type: application/vnd.android.package-archive
  • Version: 7.2
  • Downloads: 16 830


Download Now






Android 13 2022 year

  • ‎App Name‎: FirmwareAndroid_6.5.APK
  • Languages: English , Multi-language
  • File Size: 9.62 MB
  • Last update: 05 April 2024
  • File Type: application/vnd.android.package-archive
  • Version: 6.5
  • Downloads: 30 785


Download Now






Android 14 2023 year

  • ‎App Name‎: FirmwareAndroid_4.2.APK
  • Languages: English , Multi-language
  • File Size: 2.79 MB
  • Last update: 28 March 2024
  • File Type: application/vnd.android.package-archive
  • Version: 4.2
  • Downloads: 37 778


Download Now






Android 15 2024 year

  • ‎App Name‎: FirmwareAndroid_8.1.APK
  • Languages: English , Multi-language
  • File Size: 3.93 MB
  • Last update: 21 March 2024
  • File Type: application/vnd.android.package-archive
  • Version: 8.1
  • Downloads: 6 722


Download Now






Android All - universal version

  • ‎App Name‎: FirmwareAndroid_2.2.APK
  • Languages: English , Multi-language
  • File Size: 4.97 MB
  • Last update: 10 April 2024
  • File Type: application/vnd.android.package-archive
  • Version: 2.2
  • Downloads: 40 933


Download Now







Free download Android firmware APK file newest version 2020

Supported android devices: Ac51u, Raymarine Dragonfly 4 Pro, Asus Zenpad 8 0 Z380kl P024, R 4 2020, Xdu R2, Imi Vin 5 and many others.





Watch YouTube video - How to upgrade Stock firmware in Ac51u?


How to install APK file?

Full guide how to install apk file on android device.

guide how to install apk file on android device




All rights reserved. Unauthorized reproduction, in whole or in part is strictly prohibited.



Latest Comments

StarryTwilight, :

The app's orientation responsiveness post-firmware update is superb.



SunGleam, :

Can’t believe it’s free!



SereneSpot, :

Integration of user suggestions into the latest firmware won us over. Stock 2024 2024 Version] APK Ac51u Firmware Download



ThunderousBeat, :

It’s been a life-changer! Firmware Version] Free Ac51u



SunSnatch, :

Commendable dedication to steady improvements.



TwilightSeeker, :

Never settling, always innovating. Love it!



BreezeWhisper, :

Excels in every aspect. Fantastic! 2024 - Firmware



ShadowBlend, :

Streamlined, clean, and organized perfectly!



RadiantFlow, :

Commanding the top spot deservedly.



ThunderClap, :

Crown jewel of my app collection.





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