Download latest Android Lollipop 5 1 1 stock firmware for Ugoos UT4 TV Box Download Download latest Android Lollipop 5.1.1 stock firmware for Ugoos UT4 TV Box from here , here or from here. Download ano ther Ugoos firmware from here. Firmware details Archive? Image-UT4_0.0.1.b Image: Image-UT4_0.0.1.b .img Model : Ugoos UT4 TV Box Image file size: 399 MB Platform: Rockchip RK3368 FW version: 5.1.00 Boot version: 2. 4 0 Model number: UGOOS-UT4 Build number: UT4-userdebug 5.1.1 LMY48G eng.ugoos.20151211.153925 test-keys SDK version: RK30_ANDROID5.1.1-SDK-v1.00.00 Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data. Don�t miss any of our future video tutorials, fol...