you Downloaded firmware for Huawei Y7 Prime (2019) DUB-LX3 with build Huawei Y7 2019 DUB-LX3 DUB-L23 hw la HLRCF Dubai-L23 8.2.0.144(C605CUSTC605D1) Firmware 8.1.0 r1 EMUI8.2 05015PTK (2)
Huawei Y7 Prime (2019) DUB-LX3 Published on Released 2019, January . with Android 8.1; EMUI 8.2.
Display size on Huawei Y7 Prime (2019) is 6.26" and the resolution is 720x1520 pixels

You can flash The Stock firmware of DUB-LX3 using This Guide.
more about Huawei Y7 Prime 2019 DUB-LX3:

this model of huawei powerd by Octa-core 1.8 GHz Cortex-A53 and the internal storage size and ram size is 32GB storage, microSD slot.
also it can support microSD, up to 1 TB (uses shared SIM slot).
besides it can support Hybrid Dual SIM (Nano-SIM, dual stand-by) .
the Gpu chip model is Adreno 506 and also the Chipset model used on this model is Snapdragon 450
The camera on the Huawei DUB-LX3 comes with and support 1080p video pixles.