Y520-U33 C464B108c Mexico Huawei Official Stock Firmware [Service, dload] [DG]
Y520-U33 C464B110 Mexico Colombia Panama Guatemala Nicaragua Honduras Thailand Bolivia Paraguay El Salvador Channel-Others Huawei Official Stock Firmware [Service, dload] [DG]
Y520-U33 C558B101 Smartone Huawei Official Stock Firmware [Service, dload] [DG]
Y520-U33 C464B108 Spanish Channel-Others Android 4.4 Huawei Official Stock Firmware [Service, dload] [DG]
Y520-U33 C464B108b Panama Huawei Official Stock Firmware [Service, dload] [DG]