ROM Phone HUAWEI Y520-U22 – ROM Android 4.4.2 Official ROM HUAWEI Y520-U22 Unicom version: Y520-U22V100R001C328B107 Gapps include – No Rooted Language support: Multilang   Install ROM: 1.copy ****.zip to root folder of the phone SD card (no need to unzip).2.Turn off the phone, then keep pressing power button and volume+ button until the robot icon appear, then press power button again and it will show as below3.Press the volume- to move up and down to choose“wipe data ...