you Downloaded firmware for Huawei P8lite ALE-L21 with build ALE-L21C10B540
Huawei P8lite ALE-L21 Published on Released 2015, May . with Android 5.0.2, up to 6.0; EMUI 3.1.
Display size on Huawei P8lite is 5.0" and the resolution is 720x1280 pixels

You can flash The Stock firmware of ALE-L21 using This Guide.
more about Huawei P8 Lite ALE-L21:

this model of huawei powerd by Octa-core 1.2 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 (uses SIM 2 slot).
besides it can support Hybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by) .
the Gpu chip model is Mali-450MP4 and also the Chipset model used on this model is HiSilicon Kirin 620
The camera on the Huawei ALE-L21 comes with and support 1080p video pixles.