Download Android KitKat 4.4.4 stock firmware for AD586 Allwinner UltraOcta A83 tablet from here or here. Download previous firmware from here.
Firmware details
Archive: AD586_neutral_20160630_newboard_camera
Image: AD586_neutral_20160630_newboard_camera.img
Archive file size: 227 MB
Platform: Allwinner A83 / UltraOcta A83
Build number: octopus_uarmmid-eng 4.4.4 KTU84Q 20160630 test-keys
FW version: v1.2.1
Pixels: 1920 x 1080
Style: UltraOcta A83
Company: Allwinner
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.
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Build number: octopus_uarmmid-eng 4.4.4 KTU84Q 20160630 test-keys
FW version: v1.2.1
Pixels: 1920 x 1080
Style: UltraOcta A83
Company: Allwinner
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.
Don’t miss any of our future video tutorials, follow us on Youtube. Like us on Facebook. Add us in your circles on Google+. Watch our photo albums on Flickr. Subscribe now to our newsletter.
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