you Downloaded firmware for Huawei nova 3 PAR-TL20 with build PAR-LGRP2-OVS 9.0.0.182(SP53)
Huawei nova 3 PAR-TL20 Published on Released 2018, August . with Android 8.1, up to Android 9.0; EMUI 9.
Display size on Huawei nova 3 is 6.3" and the resolution is 1080x2340 pixels

You can flash The Stock firmware of PAR-TL20 using This Guide.
more about Huawei Nova 3 PAR-TL20:

this model of huawei powerd by Octa-core (4x2.4 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53) and the internal storage size and ram size is 128GB 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-G72 MP12 and also the Chipset model used on this model is Hisilicon Kirin 970
The camera on the Huawei PAR-TL20 comes with and support 2160p video pixles.