you Downloaded firmware for Huawei Honor 5X KII-L21 with build C10B150CUSTC10D003
Huawei Honor 5X KII-L21 Published on Released 2015, November . with Android 5.1.1, up to 6.0.1; EMUI 4.
Display size on Huawei Honor 5X is 5.5" and the resolution is 1080x1920 pixels

You can flash The Stock firmware of KII-L21 using This Guide.
more about Huawei GR5 KII-L21:

this model of huawei powerd by Octa-core (4x1.2 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53) and the internal storage size and ram size is 16GB storage, microSD card slot.
also it can support microSD, up to 256 GB (dedicated slot).
besides it can support Dual SIM (Micro-SIM/Nano-SIM, dual stand-by) .
the Gpu chip model is Adreno 405 and also the Chipset model used on this model is Snapdragon 616
The camera on the Huawei KII-L21 comes with and support 1080p video pixles.