Huawei Ascend Y520 (Y520-U22) official firmware (rom)

Model Build
Y520-U22 B111
Y520-U22 B108
Y520-U22 B113
Y520-U22 B115
Y520-U22 B112
Y520-U22 B116
Y520-U22
Y520-U22
Y520-U22 B111
Y520-U22 B112
Y520-U22 B109
Y520-U22