Download latest Android Jelly Bean 4.2.2 stock firmware for JXD S661 tablet from here or here. Download anothe JXD firmware from here.
Archive： S661_V1.03
Firmare image file: system_20140625_final.img
Model: JXD S661 tablet
Image file size: 281 MB
Platform: Allwinner A31FW version: 2.0_20140607 / S661_01_A23_201406
Pixels: 800 x 480
Style: JXD-S661
Build number: polaris_inet-eng 4.2.2 JDQ39 20140625 test-keys
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