Download latest Stock Firmware for Umi C1 phablet from here or here. You can download Android stock firmware for Umi XIII Smartphone from here.
Update file name: Umi-C1-mtk6582-Stock-Rom
Archive size: 382 MB
Model: Umi C1 smartphone, not Cross!
Model: Umi C1 smartphone, not Cross!
Config_version: V1.1.2
Platform: Mediatek MTK6582
Project: MTDTtest
Config_version: V1.1.1
Config_version: V1.1.1
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