Download Android KitKat 4.4.4 stock firmware for Cube T7 Phablet from here or from here. Download another Cube firmware from here.
Firmware: T7_V1.3_20141113
Image: 0502L300_LP79_T7W125F137TTMXXC(CUBE)_EB12_IND_FULL
Image: 0502L300_LP79_T7W125F137TTMXXC(CUBE)_EB12_IND_FULL
Model: Cube T7 Phablet
Image file size: 552 MB
Platform: Mediatek MT6752
Project: htt8752_tb_kk
Config_version: V1.1.2
Project: htt8752_tb_kk
Config_version: V1.1.2