you Downloaded firmware for Huawei Y5II CUN-L21 with build Huawei Honor 5 Play CUN-L21C577B122 Firmware Andriod 5.1 EMUI 3.1 05021YTT
Huawei Y5II CUN-L21 Published on Released 2016, June . with Android 5.1; EMUI 3.1.
Display size on Huawei Y5II is 5.0" and the resolution is 720x1280 pixels

You can flash The Stock firmware of CUN-L21 using This Guide.
more about Huawei Y5 II CUN-L21:

this model of huawei powerd by Quad-core 1.3 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 MT6735P
The camera on the Huawei CUN-L21 comes with and support 720p video pixles.