Download Android KitKat 4.4 stock firmware for Cube U25GT Tablet from here or from here. Download the firmware for RK3188 model from here.
Firmware: U25GT超极版(U25GT-BN)V1.2_20141107
Image: U25GT-BN-V1.2_20141107
Image: U25GT-BN-V1.2_20141107
Model: Cube U25GT Tablet
Image file size: 687 MB
Platform: Mediatek MT8127
Project: htt27_tb_t_mlc_kk
Config_version: V1.1.1
Project: htt27_tb_t_mlc_kk
Config_version: V1.1.1
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