you Downloaded firmware for Huawei Y3II LUA-L21 with build LUA-L21C576B112
Huawei Y3II LUA-L21 Published on Released 2016, June . with Android 5.1; EMUI 3.1.
Display size on Huawei Y3II is 4.5" and the resolution is 480x854 pixels

You can flash The Stock firmware of LUA-L21 using This Guide.
more about Huawei Y3 II LUA-L21:

this model of huawei powerd by Quad-core 1.0 GHz Cortex-A53 - 4G model
Quad-core 1.3 GHz Cortex-A7 - 3G model and the internal storage size and ram size is 8GB storage, microSD card slot.
also it can support microSD, up to 32 GB (dedicated slot).
besides it can support Dual SIM (Micro-SIM, dual stand-by) .
the Gpu chip model is Mali-T720MP2 - 4G model
Mali-400MP2 - 3G model and also the Chipset model used on this model is MT6735M
The camera on the Huawei LUA-L21 comes with and support 1080p video pixles.