you Downloaded firmware for Huawei Y9 Prime (2019) STK-L21UDV with build STK-LGRP6-OVS 10.0.0.389
Huawei Y9 Prime (2019) STK-L21UDV Published on Released 2019, August . with Android 9.0; EMUI 9.1.
Display size on Huawei Y9 Prime (2019) is 6.59" and the resolution is 1080x2340 pixels
You can flash The Stock firmware of STK-L21UDV using This Guide.
more about Huawei Y9 Prime (2019) STK-L21UDV:
this model of huawei powerd by Octa-core (4x2.2 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) and the internal storage size and ram size is 64GB/128GB storage, microSD slot.
also it can support microSD, up to 1 TB.
besides it can support Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) .
the Gpu chip model is Mali-G51 MP4 and also the Chipset model used on this model is Hisilicon Kirin 710F
The camera on the Huawei STK-L21UDV comes with and support 1080p video pixles.