you Downloaded firmware for Huawei Honor 3X G750 G750-T20 with build V100R001CHNC00B122
Huawei Honor 3X G750 G750-T20 Published on Released 2013, December . with Android 4.2.2; EMUI 2.
Display size on Huawei Honor 3X G750 is 5.5" and the resolution is 720x1280 pixels

You can flash The Stock firmware of G750-T20 using This Guide.
more about Huawei Honor 3X G750-T20:

this model of huawei powerd by Octa-core 1.7 GHz Cortex-A7 and the internal storage size and ram size is 8/16GB storage, microSD card slot.
also it can support microSD, up to 64 GB (dedicated slot).
besides it can support Dual SIM (Mini-SIM, Micro-SIM, dual stand-by) .
the Gpu chip model is Mali-450MP4 and also the Chipset model used on this model is MT6592
The camera on the Huawei G750-T20 comes with and support 1080p video pixles.