Download Android 4.2.2 Jelly Bean stock firmware for Ugoos UG300B

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Download Android 4.2.2 Jelly Bean stock firmware for Ugoos UG300B from here or here. 

Archive name: ugoos_ug300b_andriod 4.2
Firmware file name: ugoos_ug300b_andriod 4.2.2_firmware_2014-7-9.img
Firmware file size: 510 MB
Boot version:1.20
Frmware version:4.1.01
Support: RK3188