you Downloaded firmware for Huawei Ascend Y520 Y520-U22 with build V100R001C328B111
Huawei Ascend Y520 Y520-U22 Published on Released 2014, December . with Android 4.4.
Display size on Huawei Ascend Y520 is 4.5" and the resolution is 480x854 pixels

You can flash The Stock firmware of Y520-U22 using This Guide.
more about Huawei Ascend Y520 Y520-U22:

this model of huawei powerd by Dual-core 1.3 GHz Cortex-A7 and the internal storage size and ram size is 4GB storage, microSD card slot.
also it can support microSD, up to 32 GB (dedicated slot).
besides it can support Micro-SIM .
the Gpu chip model is Mali-400 and also the Chipset model used on this model is MT6572
The camera on the Huawei Y520-U22 comes with and support 480p video pixles.