Download E-ceros One / Ulefone U58 Android 4.2.2 Jelly Bean stock firmware from here, here or from here. Android 4.2.2 Jelly Bean stock firmware for Ulefone U58 can be found here.
Archive name: E-ceros One 4.2.2Archive file size: 340 MB
Config_version: V1.1.2
Platform: MT6592
Project: MTDTtest
Model: CM001
Kernel version: 3.4.39
Baseband version: MOLY.WR8.W1315.MD.WG.MP.V21.P1, 2014/01/16 15:51
Build number: 719_V92_GQ3016_20140423
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