Download latest Android 4.4.2. KitKat stock firmware for Ugoos UT3 RK3288 TV Box from here, here or here.
Archive name: BETA_TRN6A_UT3_RK3288_4.4.2_EN_US_FT0_V1.1.9_140912
Archive size: 392 MB
Boot version: 2.15
Archive name: BETA_TRN6A_UT3_RK3288_4.4.2_EN_US_FT0_V1.1.9_140912
Archive size: 392 MB
Boot version: 2.15
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