you Downloaded firmware for Huawei P9 Plus VIE-L29 with build VIE-L29C10B387
Huawei P9 Plus VIE-L29 Published on Released 2016, May . with Android 6, up to 7; EMUI 5.
Display size on Huawei P9 Plus is 5.5" and the resolution is 1080x1920 pixels

You can flash The Stock firmware of VIE-L29 using This Guide.
more about Huawei P9 Plus VIE-L29:

this model of huawei powerd by Octa-core (4x2.5 GHz Cortex-A72 & 4x1.8 GHz Cortex-A53) and the internal storage size and ram size is 64GB storage, microSD card slot.
also it can support microSD, up to 256 GB (uses SIM 2 slot).
besides it can support Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) .
the Gpu chip model is Mali-T880 MP4 and also the Chipset model used on this model is HiSilicon Kirin 955
The camera on the Huawei VIE-L29 comes with and support 1080p video pixles.