you Downloaded firmware for Huawei Ascend Y550 Y550-L03 with build C00B249
Huawei Ascend Y550 Y550-L03 Published on Released 2014, November . with Android 4.4.2; EMUI 2.3.
Display size on Huawei Ascend Y550 is 4.5" and the resolution is 480x854 pixels

You can flash The Stock firmware of Y550-L03 using This Guide.
more about Huawei Ascend Y550 Y550-L03:

this model of huawei powerd by Quad-core 1.2 GHz Cortex-A53 and the internal storage size and ram size is 4GB storage, microSD card slot.
also it can support microSD, up to 32 GB (dedicated slot).
besides it can support Micro-SIM .
the Gpu chip model is Adreno 306 and also the Chipset model used on this model is Snapdragon 410
The camera on the Huawei Y550-L03 comes with and support 720p video pixles.